Editing Thai baht

{{Short description|Official currency of Thailand}}
{{Redirect|Baht|the unit of mass|Tical (unit)|the river in Morocco|Baht River|the town in Uzbekistan|Baxt}}
{{Infobox currency
| local_name1 = บาทไทย
| local_name_lang1 = th
| image_1 = Thai money.jpg
| image_title_1 = Banknotes and coins of the Thai baht issued by the Bank of Thailand
| iso_code = THB
| no_plural = Y
| symbol_comment = ฿ or บ.
| subunit_ratio_1 = {{frac|100}}
| subunit_name_1 = satang
| banknote_article = Banknotes of the Thai baht
| coin_article = Thai baht#Coins
| frequently_used_banknotes = ฿20, ฿50, ฿100, ฿500, ฿1000
| frequently_used_coins = [[Twenty-five-satang coin|25]], [[Fifty-satang coin|50]] satang, [[One-baht coin|฿1]], [[Two-baht coin|฿2]], [[Five-baht coin|฿5]], [[Ten-baht coin|฿10]]
| rarely_used_coins = [[One-satang coin|1]], [[Five-satang coin|5]], [[Ten-satang coin|10]] satang
| date_of_introduction = {{start date and age|1897}}
| using_countries = {{flag|Thailand}}
| unofficial_users = {{ubl|{{flag|Cambodia}}|{{flag|Laos}}|{{flag|Myanmar}}|{{flag|Vietnam}}}}
| issuing_authority_website = {{URL|www.bot.or.th}}
| issuing_authority = [[Bank of Thailand]]
| printer = Note Printing Works of the Bank of Thailand
| mint_website = {{URL|www.royalthaimint.net}}
| mint = [[Royal Thai Mint]]
| inflation_source_date = [http://data.worldbank.org/indicator/NY.GDP.DEFL.KD.ZG?locations=TH World Bank]
| inflation_rate = 1.2% (2023)
}}

The '''baht''' ({{IPAc-en|b|ɑː|t}}; {{langx|th|บาท}}, {{IPA|th|bàːt|pron}}; [[currency sign|sign]]: '''฿'''; [[ISO 4217|code]]: '''THB''') is the official [[currency]] of [[Thailand]]. It is divided into 100 ''satang'' ({{lang|th|สตางค์}}, {{IPA|th|sà.tāːŋ|pron}}). Prior to [[decimalisation]], the baht was divided into eight ''fueang'' ({{lang|th|เฟื้อง}}, {{IPA|th|fɯá̯ŋ|pron}}), each of eight ''at'' ({{lang|th|อัฐ}}, {{IPA|th|ʔat̚|pron}}). The issuance of currency is the responsibility of the [[Bank of Thailand]]. [[Society for Worldwide Interbank Financial Telecommunication|SWIFT]] ranked the Thai baht as the 10th-most-frequently used world payment currency as of December 2023.<ref>[https://www.swift.com/file/58686/download?token=4V_STiPJ] {{Webarchive|url=https://web.archive.org/web/20190422163705/https://www.swift.com/file/58686/download?token=4V_STiPJ|date=2019-04-22}}[https://www.swift.com/file/56351/download?token=pg_59sd1 RMB Tracker February 2019] {{Webarchive|url=https://web.archive.org/web/20190422163642/https://www.swift.com/file/56351/download?token=pg_59sd1|date=2019-04-22}}</ref>

== History ==
{{main|History of Thai money}} {{see also|Tical (unit)}}
{{Infobox currency
| currency_name = Siamese tical<br>{{small|(Predecimal Thai baht)}}
| image_1 = Coin Museum Thailand by Trisorn Triboon 64.jpg
| image_title_1 = Predecimal bullet coin issued by Rama III
| image_2 = 1876_1_Baht_O.png
| image_title_2 = Predecimal tical coin issued by Rama V
| plural = ticals (baht)
| symbol_comment = None official. The abbreviations Tcs, Tcl, 圓, or 銖 were used.
| superunit_ratio_1 = 80
| superunit_name_1 = chang
| superunit_ratio_2 = 4
| superunit_name_2 = tamlueng
| subunit_ratio_1 = {{frac|1|8}}
| subunit_name_1 = fueang
| subunit_ratio_2 = {{frac|1|64}}
| subunit_name_2 = at
| symbol_subunit_1 = F or 方
| banknote_article = Banknotes of the Thai baht
| coin_article = Thai baht#Coins
| frequently_used_banknotes = {{cslist|1 Tcs|5 Tcs}}
| rarely_used_banknotes = {{cslist|{{frac|1|8}} Tcs|{{frac|1|4}} Tcs|{{frac|3|8}} Tcs|{{frac|1|2}} Tcs|{{frac|5|8}} Tcs|{{frac|3|4}} Tcs|{{frac|7|8}} Tcs|8 Tcs|10 Tcs|12 Tcs|16 Tcs|20 Tcs|24 Tcs|28 Tcs|32 Tcs|40 Tcs|48 Tcs|60 Tcs|80 Tcs|100 Tcs|140 Tcs|400 Tcs|800 Tcs|1000 Tcs}}
| frequently_used_coins = {{cslist|{{frac|1|16}} F|{{frac|1|8}} F|{{frac|1|4}} F|{{frac|1|2}} F|1 F|{{frac|1|4}} Tcs|{{frac|1|2}} Tcs|1 Tcs|2.5 Tcs|4 Tcs|8 Tcs}}
| date_of_introduction = {{end date and age|1238}}
| date_of_withdrawal = {{end date and age|1910}}
| using_countries = {{flag|Rattanakosin Kingdom|name=Siam}}
| issuing_authority = Siamese government
| printer = see {{slink|#Predecimal banknotes}}
| mint = [[Royal Thai Mint]]
| pegged_with = [[Pound sterling]] (from 1908)<br>(13 baht per pound)
| obsolete = yes
| obsolete_notice = yes
}}<timeline>
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 from:1251 till:1400 color:o text:"[[Thai baht#Sukhothai and Ayutthaya photduang|Sukhothai Issue 1]]"
 from:1351 till:1767 color:o text:"[[Thai baht#Sukhothai and Ayutthaya photduang|Ayutthaya Issue 2]]"
 from:1767 till:1782 color:o text:"[[Thai baht#Thonburi and Rattanakosin photduang|Thonburi Issue 3]]"
 from:1782 till:1809 color:o text:"[[Thai baht#Thonburi and Rattanakosin photduang|Rattanakosin Issue 4 (Rama I)]]"
 from:1809 till:1824 color:o text:"[[Thai baht#Thonburi and Rattanakosin photduang|Rattanakosin Issue 5 (Rama II)]]"
 from:1824 till:1851 color:o text:"[[Thai baht#Thonburi and Rattanakosin photduang|Rattanakosin Issue 6 (Rama III)]]"
 from:1851 till:1870 color:o text:"[[Thai baht#Thonburi and Rattanakosin photduang|Rattanakosin Issue 7 (Rama IV)]]"

 from:1856 till:1862 color:p text:"[[Thai baht#Coin timeline|vvv Flat coin issues vvv]]"
 from:1856 till:1862 color:p text:"[[Thai baht#Issue 1 – 1856 (transitional)|Issue 1 (Rama IV, transitional)]]"
 from:1860 till:1910 color:r text:"[[Thai baht#Issue 2 – 1860|Issue 2 (Rama IV)]]"
 from:1869 till:1910 color:r text:"[[Thai baht#Issue 3 – 1869|Issue 3 (Rama IV)]]"
 from:1875 till:1910 color:r text:"[[Thai baht#Issue 4 – 1875|Issue 4 (Rama V)]]"
 from:1888 till:1910 color:r text:"[[Thai baht#Issue 5 – 1888|Issue 5 (Rama V)]]"
 from:1897 till:1902 color:p text:"[[Thai baht#Issue 6 – 1897 (transitional)|Issue 6 (Rama V, transitional)]]"
 from:1908 till:1937 color:b text:"[[Thai baht#Issue 7 – 1908, 1913, 1929, 1939|Issue 7 (Rama V, VI, VII, VIII)]]"
 from:1910 till:1937 color:b text:"[[Thai baht#Issue 8 – 1913|Issue 8 (Rama VI)]]"
 from:1929 till:1937 color:b text:"[[Thai baht#Issue 9 – 1929|Issue 9 (Rama VII)]]"
 from:1937 till:1946 color:b text:"[[Thai baht#Issue 10 – 1937, 1941, 1942, 1945|Issue 10 (Rama VIII)]]"
 from:1946 till:1950 color:b text:"[[Thai baht#Issue 11 – 1946|Issue 11 (Rama VIII)]]"
 from:1950 till:1972 color:b text:"[[Thai baht#Issue 12 – 1950|Issue 12 (Rama IX)]]"
 from:1972 till:1977 color:b text:"[[Thai baht#Issue 13 – 1972|Issue 13 (Rama IX)]]"
 from:1977 till:1982 color:b text:"[[Thai baht#Issue 14 – 1977|Issue 14 (Rama IX)]]"
 from:1982 till:1987 color:b text:"[[Thai baht#Issue 15 – 1982|Issue 15 (Rama IX)]]"
 from:1987 till:2024 color:b text:"[[Thai baht#Issue 16 – 1987, 1988, 2005, 2008|Issue 16-1 (Rama IX)]]"
 from:2009 till:2024 color:b text:"[[Thai baht#Issue 16 – 2009|Issue 16-2 (Rama IX)]]"
 from:2018 till:2024 color:b text:"[[Thai baht#Issue 17 – 2018|Issue 17 (Rama X)]]"

 from:1853 till: 1863 color:r text:"[[Thai baht#1851–1868, Rama IV era banknotes|vvv Banknotes vvv]]"

 from:1853 till: 1902 color:r text:"[[Thai baht#1851–1868, Rama IV era banknotes|Mai Series (Rama IV)]]"
 from:1856 till: 1902 color:r text:"[[Thai baht#1851–1868, Rama IV era banknotes|Bai Phraratchathan Ngoentra Series (Rama IV)]]"
 from:1892 till: 1902 color:r text:"[[Thai baht#Royal Treasury banknotes|Royal Treasury Series (Rama V)]]"
 from:1889 till: 1902 color:r text:"[[Thai baht#Hong Kong and Shanghai Banking Corporation (HSBC) banknotes|Hong Kong and Shanghai Banking Corporation Series (Rama V)]]"
 from:1884 till: 1902 color:r text:"[[Thai baht#Chartered Bank of India, Australia, and China banknotes|Chartered Bank of India, Australia, and China Series (Rama V)]]"
 from:1886 till: 1902 color:r text:"[[Thai baht#Banque de L'Indo-Chine banknotes|Banque de L'Indo-Chine Banknotes Series (Rama V)]]"

 from:1902 till: 1925 color:b text:"[[Thai baht#Series 1|Series 1 (Rama V, Rama VI)]]"
 from:1925 till: 1934 color:b text:"[[Thai baht#Series 2|Series 2 (Rama VI, Rama VII)]]"
 from:1934 till: 1937 color:b text:"[[Thai baht#Series 3 Type 1|Series 3-1 (Rama VII)]]"
 from:1935 till: 1937 color:b text:"[[Thai baht#Series 3 Type 2|Series 3-2 (Rama VIII)]]"
 from:1937 till: 1942 color:b text:"[[Thai baht#Series 4 Type 1|Series 4-1 (Rama VIII)]]"
 from:1942 till: 1942 color:b text:"[[Thai baht#Series 4 Type 2|Series 4-2 (Rama VIII)]]"
 from:1942 till: 1945 color:b text:"[[Thai baht#Series 5|Series 5 (Rama VIII)]]"
 from:1945 till: 1945 color:b text:"[[Thai baht#Series 6|Series 6 (Rama VIII)]]"
 from:1945 till: 1945 color:b text:"[[Thai baht#Series 7|Series 7 (Rama VIII)]]"
 from:1945 till: 1948 color:b text:"[[Thai baht#Series 8|Series 8 (Rama VIII)]]"
 from:1948 till: 1968 color:b text:"[[Thai baht#Series 9|Series 9-1 (Rama IX)]]"
 from:1955 till: 1968 color:b text:"[[Thai baht#Series 9|Series 9-2 (Rama IX)]]"
 from:1968 till: 1969 color:b text:"[[Thai baht#Series 10|Series 10 (Rama IX)]]"
 from:1969 till: 1978 color:b text:"[[Thai baht#Series 11|Series 11 (Rama IX)]]"
 from:1978 till: 2003 color:b text:"[[Thai baht#Series 12 and 13|Series 12 (Rama IX)]]"
 from:1985 till: 2003 color:b text:"[[Thai baht#Series 12 and 13|Series 13 (Rama IX)]]"
 from:1994 till: 2024 color:b text:"[[Thai baht#Series 14|Series 14 (Rama IX)]]"
 from:2003 till: 2024 color:b text:"[[Thai baht#Series 15|Series 15 (Rama IX)]]"
 from:2013 till: 2024 color:b text:"[[Thai baht#Series 16|Series 16-1 (Rama IX)]]"
 from:2017 till: 2024 color:b text:"[[Thai baht#Series 16|Series 16-2 (Rama IX)]]"
 from:2018 till: 2024 color:b text:"[[Thai baht#Series 17|Series 17 (Rama X)]]"
 barset:skip
</timeline>The Thai baht, like the [[Pound (currency)|pound]], originated from a traditional unit of [[mass]]. Its currency value was originally expressed as that of [[silver]] of corresponding weight (now defined as 15 grams), and was in use probably as early as the [[Sukhothai Kingdom|Sukhothai]] period in the form of [[Bullet money|bullet coins]] known in Thai as ''[[bullet money|photduang]]''.<ref>{{cite web |title=Thailand Commemorative Bullet Coins (112) |url=https://coincoin.com/I112.htm |website=Scott Semans World Coins |access-date=25 October 2018 |archive-url=https://web.archive.org/web/20171111111216/http://www.coincoin.com/I112.htm |archive-date=11 November 2017 |url-status=dead }}</ref> These were pieces of solid silver cast to various weights corresponding to a [[Thai units of measurement|traditional system of units]] related by simple fractions and multiples, one of which is the ''[[baht (unit)|baht]]''. These are listed in the following table:<ref>{{cite web |url=http://www.chiangmai-chiangrai.com/siamese_money.html |title= The History of Siamese Money |access-date=2018-10-25|date=2010-06-16|website= Welcome to Chiangmai & Chiangrai |archive-url  = https://web.archive.org/web/20110928105132/http://www.chiangmai-chiangrai.com/siamese_money.html |archive-date = September 28, 2011 |url-status= dead |df= mdy-all}}</ref><ref>{{cite web |script-title=th:เหรียญกษาปณ์ของไทย |trans-title=Coins of Thailand |url=http://www1.mod.go.th/heritage/nation/krasab/index1.htm |website=Ministry of Defense of Thailand |access-date=15 October 2011 |language=th |archive-url=https://web.archive.org/web/20120204133229/http://www1.mod.go.th/heritage/nation/krasab/index1.htm |archive-date=2012-02-04 |url-status=dead }}</ref> Though the coins themselves have names like: ''solot'', ''siao'','' sik'', etc, the formal division of the Thai baht (tical) is 1 baht = 8 ''fueang'' = 64 ''at''. This means that ''one baht'' is divided into ''eight fueang'', and each ''one fueang'' is divided into ''8 at''. Currently, the Thai baht do not employ the ''at'' as a subunit, but the ''at'' is the current subunit of the [[Lao kip]].

{| class="wikitable" style="width:50%; text-align: center"
! rowspan=2| Unit ([[Royal Thai General System of Transcription|RTGS]])
! rowspan=2 | Thai spelling
! rowspan=2| Relative value
! colspan=2| Value relative to
! rowspan=2| Notes
|-
! Baht
! Satang
|-
| {{lang|th-Latn|Bia|italic=no}}
| {{lang|th|เบี้ย}}
| {{Fraction|1|100}} {{lang|th-Latn|at}}
| {{Fraction|1|6400}}
| 0.0156
| {{lang|th-Latn|Bia}} is Thai for [[cowry]], the shell of which was used as a trade medium of the same value.
|-
| {{lang|th-Latn|Solot|italic=no}}
| {{lang|th|โสฬส}}
| {{Fraction|1|16}} {{lang|th-Latn|fueang}}
| {{Fraction|1|128}}
| 0.78
| {{lang|th-Latn|Solot}} here literally means ''sixteen'' or ''sixteenth'', referring to the fractional amount relative to a {{lang|th-Latn|fueang}}.
|-
| {{lang|th-Latn|At|italic=no}}
| {{lang|th|อัฐ}}
| {{Fraction|1|8}} {{lang|th-Latn|fueang}}
| {{Fraction|1|64}}
| 1.56
| Likewise, {{lang|th-Latn|at}} means ''eight''.
|-
| {{lang|th-Latn|Siao|italic=no}}/{{lang|th-Latn|Phai|italic=no}}
| {{lang|th|เสี้ยว}}/{{lang|th|ไพ}}
| {{Fraction|1|4}} {{lang|th-Latn|fueang}}
| {{Fraction|1|32}}
| 3.125
| {{lang|th-Latn|Siao}} means ''quarter''.
|-
| {{lang|th-Latn|Sik|italic=no}}
| {{lang|th|ซีก}}
| {{Fraction|1|2}} {{lang|th-Latn|fueang}}
| {{Fraction|1|16}}
| 6.25
| {{lang|th-Latn|Sik}} means ''half''.
|-
| {{lang|th-Latn|Fueang|italic=no}}
| {{lang|th|เฟื้อง}}
| {{Fraction|1|8}} baht
| {{Fraction|1|8}}
| 12.5
| The smallest silver bullet coins available in the market.
|-
| {{lang|th-Latn|Salueng|italic=no}}
| {{lang|th|สลึง}}
| {{Fraction|1|4}} baht (0.25 baht, 25 {{lang|th-Latn|satang}})
| {{Fraction|1|4}}
| 25
| Thai version of the [[mace (unit)|mace]]. It is also the equivalent of the Cambodian salong, and Burmese pya.
|-
| Baht
| {{lang|th|บาท}}
| 
| 1
| 100
| It is also the equivalent of the [[Cambodian tical|Cambodian baat]], and [[Myanmar kyat|Burmese kyat]]. Its alternative name is the [[Tical (unit)|tical]].
|-
| {{lang|th-Latn|Tamlueng|italic=no}}
| {{lang|th|ตำลึง}}
| 4 baht
| 4
| 400
| Thai version of the [[tael]].
|-
| {{lang|th-Latn|Chang|italic=no}}
| {{lang|th|ชั่ง}}
| 20 {{lang|th-Latn|tamlueng}}
| 80
| 8000
| Thai version of the [[catty]].
|-
| {{lang|th-Latn|Hap|italic=no}}
| {{lang|th|หาบ}}
| 80 {{lang|th-Latn|chang}}
| 6400
| 640000
| 
|}
[[File:Siamese Pre-Decimal Tical System.png|thumb|594x594px|Siamese predecimal tical system]]
This predecimal system was in use up until 1897, when the decimal system devised by Prince [[Jayanta Mongkol]], in which one baht = 100 satang, was introduced by his half-brother King [[Chulalongkorn]] along with the demonetization of silver bullet coins on 28 October 1904 after the end of silver bullet coin production by the opening of Sitthikarn Royal Mint in 1857.<ref>{{cite web |script-title=th:เงินตรา |trans-title=Money |url=http://www.royalthaimint.net/ewtadmin/ewt/mint_web/ewt_news.php?nid=46&filename=index |publisher=Royal Thai Mint |access-date=22 November 2020 |language=th |archive-date=4 March 2016 |archive-url=https://web.archive.org/web/20160304103729/http://www.royalthaimint.net/ewtadmin/ewt/mint_web/ewt_news.php?nid=46&filename=index |url-status=live }}</ref> However, coins denominated in the old units were issued until 1910, and the amount of 25 satang is still commonly referred to as a {{lang|th-Latn|salueng}}, as is the 25-satang coin.

Until 27 November 1902, the baht was fixed on a purely silver basis, with 15&nbsp;grams of silver to the baht. This caused the value of the currency to vary relative to currencies on a [[gold standard]]. From 1856 to 1864, the values of certain foreign silver coins were fixed by law, with 5 baht = 3 [[Spanish dollar]] = 7 [[Indian rupee]]s.<ref name=":9">{{cite web |script-title=th:รัชกาลที่ 4 รับสั่งทำ "เหรียญกระษาปณ์" รับมือการค้ากับต่างชาติ |trans-title=King Mongkut ordered the production of western style coins as the response to the rising trades with foreigners|url=https://www.silpa-mag.com/history/article_29937|website=Silpa Watthanatham Magazine|date=27 March 2019|access-date=22 November 2020|language=th|archive-date=21 November 2020|archive-url=https://web.archive.org/web/20201121204620/https://www.silpa-mag.com/history/article_29937|url-status=live}}</ref> Before 1880 the exchange rate was fixed at 8 baht per [[pound sterling]], falling to 10 to the pound during the 1880s.

In 1902, the government began to increase the value of the baht by following all increases in the value of silver against gold but not reducing it when the silver price fell. Beginning at 21.75 baht per [[pound sterling]], the currency rose in value until, in 1908, a fixed peg to the British pound sterling was established of 13 baht per pound. This was revised to 12 baht in 1919 and then, after a period of instability, to 11 baht in 1923. During [[World War II]], the baht was fixed at a value of one [[Japanese yen]] on 22 April 1942.<ref>{{cite web |script-title=th:กฎกระทรวงการคลัง ออกตามความในพระราชบัญญัติ เงินตราในภาวะฉุกเฉิน พุทธศักราช 2484 (ฉะบับที่ 3) |trans-title=Ministry of Finance Regulation issued according to Currency during the Emergency Situation of BE 2484 (Issue No. 3) 
|url=https://dl.parliament.go.th/handle/lirt/237846 |archive-url=https://web.archive.org/web/20211024193720/https://dl.parliament.go.th/handle/lirt/237846 |url-status=dead |archive-date=October 24, 2021 |website=Legislative Institutional Repository of Thailand |access-date=22 November 2020 |language=th }}</ref><ref>{{cite web |title=The Currency Before and During the War by Prince Vivadhanajaya 21 July BE 2488 (1945) |url=https://vajirayana.org/%E0%B8%A7%E0%B8%B4%E0%B8%A7%E0%B8%B1%E0%B8%92%E0%B8%99%E0%B9%84%E0%B8%8A%E0%B8%A2%E0%B8%B2%E0%B8%99%E0%B8%B8%E0%B8%AA%E0%B8%A3%E0%B8%93%E0%B9%8C/%E0%B8%A3%E0%B8%B0%E0%B8%9A%E0%B8%9A%E0%B9%80%E0%B8%87%E0%B8%B4%E0%B8%99%E0%B8%95%E0%B8%A3%E0%B8%B2/currency-and-during-war |website={{lang|th|วชิรญาณ}} |access-date=23 November 2020 |language=en |archive-date=30 November 2020 |archive-url=https://web.archive.org/web/20201130033417/https://vajirayana.org/%E0%B8%A7%E0%B8%B4%E0%B8%A7%E0%B8%B1%E0%B8%92%E0%B8%99%E0%B9%84%E0%B8%8A%E0%B8%A2%E0%B8%B2%E0%B8%99%E0%B8%B8%E0%B8%AA%E0%B8%A3%E0%B8%93%E0%B9%8C/%E0%B8%A3%E0%B8%B0%E0%B8%9A%E0%B8%9A%E0%B9%80%E0%B8%87%E0%B8%B4%E0%B8%99%E0%B8%95%E0%B8%A3%E0%B8%B2/currency-and-during-war |url-status=live }}</ref>

From 1956 until 1973, the baht was pegged to the [[US dollar]] at an exchange rate of 20.8 baht = one dollar and at 20 baht = 1 dollar until 1978.<ref>{{cite journal |script-title=th:จากระบบอัตราแลกเปลี่ยนอิงตะกร้าเงินสู่ระบบอัตราแลกเปลี่ยนลอยตัว |trans-title=From Monetary FOREX system to floating FOREX |journal={{lang|th|เศรษฐสาร}} |volume=11 |issue=7 (July) |orig-date=BE 2540 |date=1997 |url=http://www.econ.tu.ac.th/oldweb/doc/article/fulltext/81.pdf |url-status=live |archive-url=https://web.archive.org/web/20200307010248/http://www.econ.tu.ac.th/oldweb/doc/article/fulltext/81.pdf |archive-date=7 March 2020 |access-date=28 May 2012 |language=th }}</ref>
<ref>{{cite web |url=http://info.gotomanager.com/news/details.aspx?id=9460 |script-title=th:ลดค่าเงินบาทในภาษาที่ทุกคนเข้าใจ โดย เสรี ทรัพย์เจริญ นิตยสารผู้จัดการ พฤศจิกายน 2527 |language=th |access-date=22 November 2020 |archive-date=25 December 2015 |archive-url=https://web.archive.org/web/20151225104336/http://info.gotomanager.com/news/details.aspx?id=9460 |url-status=dead }}</ref> A strengthening US economy caused Thailand to re-peg its currency at 25 to the dollar from 1984 until 2 July 1997, when the country was affected by the [[1997 Asian financial crisis]]. The baht was [[floating exchange rate|floated]] and halved in value, reaching its lowest rate of 56 to the dollar in January 1998. It rose to 30 per dollar in January 2021.

The baht was originally known to foreigners by the term ''tical'',<ref name="JSS_033_2c_Campos">{{cite journal |last=de Campos |first=J. J. |year=1941 |title=The Origin of the Tical |journal=[[Journal of the Siam Society]] |volume=33.2c |publisher=Siam Heritage Trust |url=http://www.siamese-heritage.org/jsspdf/1941/JSS_033_2c_Campos_OriginOfTical.pdf |archive-url=https://ghostarchive.org/archive/20221009/http://www.siamese-heritage.org/jsspdf/1941/JSS_033_2c_Campos_OriginOfTical.pdf |archive-date=2022-10-09 |url-status=live |access-date= June 23, 2013 |quote=From the earliest times in Southern Burma, the weight adopted were not the Chinese ''liang'' or ''tael'' or its variants, but the Indian ''bahur'' and the ''[[viss]]'', the latter being divided into 100 ticals. It is this Burmese ''tical'', which was and continues to be in Burma the designation of a definite weight of uncoined silver or its compound, that throws light on the problem of the Thai ''tical''. }}</ref> which was used in [[English language]] text on banknotes until the series 2 1925.<ref>{{cite web |url=http://www.bot.or.th/English/Banknotes/HistoryANdSeriesOfBanknotes/Pages/Banknote_Series01.aspx |title=Banknotes, Series 1 |date=23 February 2012 |website=[[Bank of Thailand]] |access-date=9 May 2012 |quote=each denomination had many types which were printed by Thomas De La Rue & Company Limited, England. |archive-date=4 April 2016 |archive-url=https://web.archive.org/web/20160404015111/https://www.bot.or.th/English/Banknotes/HistoryAndSeriesOfBanknotes/Pages/Banknote_Series01.aspx |url-status=dead }}</ref><ref>{{cite web |url=http://www.bot.or.th/English/Banknotes/HistoryANdSeriesOfBanknotes/Pages/Banknote_Series02.aspx |title=Banknotes, Series 2 |date=22 November 2020 |website=[[Bank of Thailand]] |access-date=22 November 2020 |archive-date=4 July 2012 |archive-url=https://web.archive.org/web/20120704102039/http://www.bot.or.th/English/Banknotes/HistoryANdSeriesOfBanknotes/Pages/Banknote_Series02.aspx |url-status=dead }}</ref>

== Currency symbol ==
The [[currency symbol]] for the baht is <big>{{char|฿}}</big> (a Latin letter B with a vertical stroke). In 1986, this symbol was given a [[codepoint]] for computer use in the [[Thai Industrial Standard 620-2533]] (Thailand's [[extended ASCII|extension of ASCII]]), at position 0xDF. This national standard was subsequently subsumed into international standards as [[ISO/IEC 8859-11]] ("ISO Latin-Thai"). In turn, the ISO 8859 series were transposed into the [[Unicode]] standard,<ref>{{cite report |url=https://unicode.org/Public/MAPPINGS/ISO8859/8859-11.TXT |title=ISO/IEC 8859-11:2001 to Unicode |publisher=[[Unicode Consortium]] |date=2015-12-02}}</ref> where the symbol was allocated the codepoint {{unichar|0E3F}}.<ref>{{cite book |title=The Unicode Standard, version 1.0 |chapter=Chapter 3/2 |chapter-url=https://www.unicode.org/versions/Unicode1.0.0/ch03_2.pdf |page=80 |date=October 1991}}</ref>
The symbol is also used for the [[Panamanian balboa]].<ref name="DPD">{{cite book |title=Diccionario panhispánico de dudas |publisher=Real Academia Española y Asociación de Academias de la Lengua Española |edition=2.ª (versión provisional) |url=https://www.rae.es/dpd/ayuda/simbolos-o-signos-no-alfabetizables |access-date=16 July 2024 |language=es |chapter=Símbolos o signos no alfabetizables}}</ref>

=== Abbreviation ===
In Thai usage, the baht ({{lang|th|บาท}}) is legally abbreviated as {{lang|th|บ.}} according to Section 7 of the Currency Act, [[Buddhist Era|B.E.]] 2501.<ref>{{cite web |title=พระราชบัญญัติเงินตรา พ.ศ. 2501 (ฉบับประมวล) |url=https://www.bot.or.th/content/dam/bot/documents/th/laws-and-rules/laws-and-regulations/legal-department/2-currency-act/2-1-currency-act/2-1-1-Law-TH-CurrencyUpdated-2545.pdf |website=Bank of Thailand |access-date=6 June 2024 |language=th |date=2002}}</ref>

=== Bitcoin ===
For a time, the baht symbol was appropriated by some as a symbol for [[Bitcoin]], a [[cryptocurrency]]. Following representations,<ref>{{cite web |title=Proposal for addition of bitcoin sign |first=Ken |last=Shirriff |date=October 2, 2015 |publisher=Unicode Consortium |url=https://www.unicode.org/L2/L2015/15229-bitcoin-sign.pdf}}</ref> a separate code point ({{unichar|20BF}}, a Latin letter B with two vertical strokes) was allocated in Unicode version 10.0.<ref name="unicode-10">{{cite web |date=20 June 2017 |title=Unicode 10.0.0 |url=https://www.unicode.org/versions/Unicode10.0.0/  |access-date=20 June 2017 |publisher=Unicode Consortium}}</ref>

=== Square katakana ===
{{contains special characters|section}}
In Unicode 1.0, two codepoints were allocated to the baht, one as the currency symbol in [[Thai (Unicode block)|the Thai range]]  and one in the [[CJK Compatibility]] block as a square version of the Japanese word for "baht", written in [[katakana]] script.<ref name="Lunde" /> The CJK codepoint, {{unichar|332C}}, is documented in subsequent versions of the standard as "a mistaken, unused representation" and users are directed to {{unichar|0E3F}} instead.<ref>{{cite book |title=The Unicode Standard, Version 15.1 |chapter=CJK compatibility 3300{{ndash}}33FF |chapter-url=https://unicode.org/charts/PDF/U3300.pdf |page=3327{{ndash}}334C}}</ref> Consequently, only a few [[computer fonts]] have any content for this codepoint and its use is deprecated.<ref name="Lunde">{{cite web |title=CJK Type {{!}} CJK Fonts, Character Sets & Encodings. All CJK. All of the time. |first=Ken |last=Lunde |date= March 26, 2016 |archive-url=https://web.archive.org/web/20160629215711/http://blogs.adobe.com/CCJKType/2016/03/bahts-is-parts.html |archive-date=29 June 2016 |url=https://blogs.adobe.com/CCJKType/2016/03/bahts-is-parts.html |url-status=dead |publisher=Adobe Inc.}}</ref>

(The Japanese for "baht" is {{lang|ja|{{big|'''バ'''}}ーツ}} ({{Transliteration|ja|'''bā'''tsu}}). However, the reference glyph {{angbr|㌬}} and the character name correspond to {{lang|ja|{{big|'''パ'''}}ーツ}} ({{Transliteration|ja|'''pā'''tsu}}, from English "parts").<ref name="Lunde" />)

=== Historical symbols used before decimalization ===
Before decimalization, the Siamese government employed [[Chinese characters|Chinese]], [[Latin script|Latin]], [[Jawi script|Jawi]] ([[Malay language|Malay]]), [[Devanagari]], [[Khmer script|Khmer]] and [[Khom Thai script|Khom]], [[Tai Tham script|Lanna]], and [[Burmese script|Burmese]] scripts  in banknotes and coins, as seen. The reason is not clear, though it is a common understanding that it is to ease the facilicitation of trade within Siam. It could also be the case that at the time, the capital, Bangkok (Phra Nakhon) was still a multi-cultural city, so as to be more inclusive, the government added various other language onto the currency – though by the second series after the decimalization in the 1900s, the currency was all but monolingual.

{{lang-zh|c=圓|p=yuán|labels=no}} ({{lang|th|บาท}}): This character was use during the times of [[Mongkut|Rama IV]] to represent baht, though this was phased out by another character which is in partially and informally used today. The only occurrence of this character was in Rama IV's banknote series.

{{lang-zh|t=銖|s=铢|p=zhū|labels=no|first=t}} ({{lang|th|บาท}}): This character was in use from 1868–1925 officially on banknotes to represent baht. It is still in use today unofficially to refer to the Thai baht in general, as in {{lang|zh|泰銖}} or {{lang|zh|泰铢}}.

{{lang-zh|t=錢|s=銭|p=qián|labels=no|first=t}} ({{lang|th|สลึง}}): This character was in use from 1851–1908 officially on banknotes and coins to represent salueng.

{{lang-zh|c=方|p=fāng|labels=no}} ({{lang|th|เฟื้อง}}): This character was in use from 1851–1908 officially on banknotes and coins to represent fueang.

The notation for these Chinese character are written like they are in Thai, though there is a caveat: it is written right to left, as was the convention back then, so one baht is written {{lang|zh|圓壹}} or {{lang|zh|銖壹}}, if there are smaller units involved the notation can write like such: {{lang|zh|方銭參圓壹}} for one baht, three salueng, and one fueang.

== Coins ==
=== Summary ===
{| class="wikitable" style="width:100%; text-align: center"
! colspan="13" |Summary of podduang baht coins
|-
!Series/Value
!1/800 Fueang<br>(1 Bia)
!1/8 Fueang<br>(1 At)
!1/4 Fueang<br>(1 Siao)
!1/2 Fueang<br>(1 Sik)
!1 Fueang<br>(1 Fueang)
!1/4 Ticals<br>(1 Salueng)
!1/2 Ticals<br>(2 Salueng)
!1 Tical<br>(1 Baht)
!2 Ticals<br>(2 Baht)
!4 Ticals<br>(1 Tamlueng)
!8 Ticals<br>(2 Tamlueng)
! rowspan="2" |'''''goes up to''''' 
'''''80 ticals'''''

'''''(1 Chang)'''''
|-
!<br>(1238-1900)
''662 years''
|[[File:Bia value cowry shell.png|frameless|150x150px]]
|[[File:Half pai podduang.png|frameless|150x150px]]
|[[File:Pai podduang.png|frameless|150x150px]]
|[[File:Half feuang podduang.png|frameless|150x150px]]
|[[File:Feuang podduang.png|frameless|150x150px]]
|[[File:Saleung podduang.png|frameless|150x150px]]
|[[File:2 saleung podduang.png|frameless|150x150px]]
|[[File:Baht podduang.png|frameless|150x150px]]
|[[File:Half tamleung podduang.png|frameless|150x150px]]
|[[File:Tamleung podduang.png|frameless|150x150px]]
|[[File:Gold half baht podduang.png|frameless|150x150px]]
|-
! colspan="13" |Summary of predecimal baht coins
|-
!Series/Value 
!1/16 Fueang<br>(1 Solot)
!1/8 Fueang<br>(1 At)
!1/4 Fueang<br>(1 Siao)
!1/2 Fueang<br>(1 Sik)
!1 Fueang<br>(1 Fueang)
!1/4 Ticals<br>(1 Salueng)
!1/2 Ticals<br>(2 Salueng)
!1 Tical<br>(1 Baht)
!2 Ticals<br>(2 Baht)
!2 1/2 Ticals<br>(2 Baht 2 Salueng)
!4 Ticals<br>(1 Tamlueng)
!8 Ticals<br>(2 Tamlueng)
|-
!Issue 1<br>(1856)
''4 years''
!
!
!
!
|[[File:1856_1_Saleung_O.png|frameless|150x150px]]
!
!
|[[File:1856_1_Fuang_R.png|frameless|150x150px]]
!
!
!
!
|-
!Issue 2<br>(1860)
''9 years''
|[[File:1862_1_Solot_R.png|frameless|150x150px]]
|[[File:1862_1_Att_R.png|frameless|150x150px]]
|[[File:1862_1_Siao_R.png|frameless|150x150px]]
|[[File:1862_0.5_Feuang_R.png|frameless|150x150px]]
|[[File:1862_1_Fuang_R.png|frameless|150x150px]]
|[[File:1862_1_Salung_R.png|frameless|150x150px]]
|[[File:1862_2_Salung_R.png|frameless|150x150px]]
|[[File:1862_1_Baht_R.png|frameless|150x150px]]
|[[File:1862_2_Baht_R.png|frameless|150x150px]]
|[[File:1862_2.5_Baht_R.png|frameless|150x150px]]
|[[File:1862_4_Baht_R.png|frameless|150x150px]]
|[[File:1862_8_Baht_R.png|frameless|150x150px]]
|-
!Issue 3<br>(1869)
''6 years''
!
!
!
!
|[[File:1869 1 Fuang R.png|frameless|150x150px]]
|[[File:1869 1 Salung R.png|frameless|150x150px]]
!
|[[File:1869 1 Baht R.png|frameless|150x150px]]
!
!
!
!
|-
!Issue 4<br>(1875)
''13 years''
|[[File:1876_1_Solot_R.png|frameless|150x150px]]
|[[File:1876_1_Att_R.png|frameless|150x150px]]
|[[File:1876_1_Siao_R.png|frameless|150x150px]]
|[[File:1876_1_Sik_R.png|frameless|150x150px]]
|[[File:1876_1_Feuang_R.png|frameless|150x150px]]
|[[File:1876_1_Salung_R.png|frameless|150x150px]]
!
|[[File:1876_1_Baht_R.png|frameless|150x150px]]
!
!
!
!
|-
!Issue 5<br>(1888)
''9 years''
|[[File:1888_1_Solot_R.png|frameless|150x150px]]
|[[File:1888_1_Att_R.png|frameless|150x150px]]
|[[File:1888_1_Siao_R.png|frameless|150x150px]]
!
!
!
!
!
!
!
!
!
|-
! colspan="13" |Summary of decimal baht coins
|-
!Series/Value
!0.5 Satang
!1 Satang
!2.5 Satang
!5 Satang
!10 Satang
!20 Satang
!25 Satang
!50 Satang
!1 Baht
!2 Baht
!5 Baht
!10 Baht
|-
!Issue 6<br>(1897)
''11 years''
!
!
|[[File:1897_2.5_Satang_R.png|frameless|150x150px]]
|[[File:1897_5_Satang_R.png|frameless|150x150px]]
|[[File:1897_10_Satang_R.png|frameless|150x150px]]
|[[File:1897_20_Satang_R.png|frameless|150x150px]]
!
!
!
!
!
!
|-
!Issue 7<br>(1908, 1939)
'''''Rama V*'''''

'''''29 years'''''
!
|[[File:1908_1_Satang_R.png|frameless|150x150px]]
!
|[[File:1908_5_Satang_R.png|frameless|150x150px]]
|[[File:1908_Satang_R.png|frameless|150x150px]]
!
!
|[[File:1908 50 Satang composite reverse.png|center|100x100px]]
|[[File:1908 1 Baht R.png|frameless|150x150px]]
!
!
!
|-
!Issue 8<br>(1913)
'''''Rama VI*'''''
!
!
!
!
!
!
|[[File:1913_25_Satang_R.png|frameless|150x150px]]
|[[File:1913_50_Satang_R.png|frameless|150x150px]]
|[[File:1913_1_Baht_R.png|frameless|150x150px]]
!
!
!
|-
!Issue 9<br>(1929)
'''''Rama VII*'''''
!
!
!
!
!
!
|[[File:1929_25_Satang_R.png|frameless|150x150px]]
|[[File:1929_50_Satang_R.png|frameless|150x150px]]
!
!
!
!
|-
!Issue 10<br>(1937, 1941, 1942, 1945)
''9 years''
|[[File:1937_0.5_Satang_R.png|frameless|99x99px]]
|[[File:1941_1_Satang_R.png|frameless|150x150px]]
!
|[[File:1941_5_Satang_R.png|frameless|150x150px]]
|[[File:1941_10_Satang_R.png|frameless|150x150px]]
|[[File:1941_20_Satang_R.png|frameless|150x150px]]
!
!
!
!
!
!
|-
!Issue 11<br>(1946)
''4 years''
!
!
!
|[[File:1946_5_Satang_R.png|frameless|150x150px]]
|[[File:1946_10_Satang_R.png|frameless|150x150px]]
!
|[[File:1946_25_Satang_R.png|frameless|150x150px]]
|[[File:1946_50_Satang_R.png|frameless|150x150px]]
!
!
!
!
|-
!Issue 12<br>(1950)
''22 years''
!
!
!
|[[File:1950_5_Satang_R.png|frameless|150x150px]]
|[[File:1950_10_Satang_R.png|frameless|150x150px]]
!
|[[File:1950_25_Satang_R.png|frameless|150x150px]]
|[[File:1950_50_Satang_R.png|frameless|150x150px]]
|[[File:1962_1_Baht_R.png|frameless|150x150px]]
!
!
!
|-
!Issue 13<br>(1972)
''5 years''
!
!
!
!
!
!
!
!
|[[File:1972_1_Baht_R.png|frameless|150x150px]]
!
|[[File:1972_5_Baht_R.png|frameless|118x118px]]
!
|-
!Issue 14<br>(1977)
''5 years''
!
!
!
!
!
!
|[[File:1977_25_stang_reverse.png|frameless|150x150px]]
|[[File:1977_50_stang_reverse.png|frameless|150x150px]]
|[[File:1977_1_baht_reverse.png|frameless|150x150px]]
!
|[[File:1977_5_baht_reverse.png|frameless|150x150px]]
!
|-
!Issue 15<br>(1982)
''5 years''
!
!
!
!
!
!
!
!
|[[File:1982 1 baht reverse.png|frameless|150x150px]]
!
|[[File:1982 5 baht reverse.png|frameless|150x150px]]
!
|-
! colspan="13" |Summary of current cirrculation coins
|-
! colspan="6" |Limited-Cirrculation Coins
! colspan="7" |Cirrculation Coins
|-
!Series/Value
!0.5 Satang
!1 Satang
!2.5 Satang
!5 Satang
!10 Satang
!20 Satang
!25 Satang
!50 Satang
!1 Baht
!2 Baht
!5 Baht
!10 Baht
|-
!Issue 16<br>(1987, 2005, 2008, 2009)
''(31 years)*''

{{time interval|1987|{{#time:Y-m-d}}|abbr=off}}
!
|[[File:No_image_available.svg|frameless|50x50px]]
!
|[[File:No_image_available.svg|frameless|50x50px]]
|[[File:No_image_available.svg|frameless|50x50px]]
!
|[[File:No_image_available.svg|frameless|50x50px]]
|[[File:No_image_available.svg|frameless|50x50px]]
|[[File:No_image_available.svg|frameless|50x50px]]
|[[File:No_image_available.svg|frameless|100x100px]]
|[[File:No_image_available.svg|frameless|100x100px]]
|[[File:No_image_available.svg|frameless|100x100px]]
|-
!Issue 17<br>(2018)
{{time interval|2018|{{#time:Y-m-d}}|abbr=off}}
!
|[[File:No_image_available.svg|frameless|50x50px]]
!
|[[File:No_image_available.svg|frameless|50x50px]]
|[[File:No_image_available.svg|frameless|50x50px]]
!
|[[File:No_image_available.svg|frameless|50x50px]]
|[[File:No_image_available.svg|frameless|50x50px]]
|[[File:1 baht coin (Rama X, reverse).jpg|frameless|68x68px]]
|[[File:2 baht coin (Rama X, reverse).jpg|frameless|72x72px]]
|[[File:5 baht coin (Rama X, reverse).jpg|frameless|80x80px]]
|[[File:10 baht coin (Rama X, reverse).jpg|frameless|100x100px]]
|}
''*actual year produced vs year in active use''

=== Mint involved in producing Siamese and Thai coins ===
{| class="wikitable sortable"
|+Mints<ref>Standard circulation coins from Thailand – Numista. Numista.com. Published 2025. Accessed January 3, 2025. <nowiki>https://en.numista.com/catalogue/index.php?e=thailande&r=&st=1&cat=y&im1=&im2=&ru=&ie=&ca=3&no=&v=&a=&dg=&i=&b=&m=&f=&t=&t2=&w=&mt=&u=&g=&se=&c=&wi=&sw=</nowiki>

‌</ref>
!Name of the production facility
!Alternative names
!Start
!End
|-
|[[Royal Thai Mint]]
|'''สำนักกษาปณ์   ''' 
|1860
|''present''
|-
|[[China Banknote Printing and Minting Corporation]]
|'''中国印钞造币总公司'''
|2017
|2017
|-
|[[Korea Minting and Security Printing Corporation]]
|'''한국조폐공사'''
|2017
|''present''
|-
|[[South African Mint]]
|
|2016
|''present''
|-
|[[Bavarian State Mint|Mint of Baveria]]
|'''Bayerisches Münzkontor'''
|2011
|2016
|-
|[[Mint of Finland]]
|'''Suomen Rahapaja'''
|1986
|2017
|-
|[[Polish Mint|Mint of Poland]]
|'''Mennica Polska'''
|2015
|2016
|-
|[[Monnaie de Paris|Mint of Paris]]
|'''Monnaie de Paris'''
|2016
|2017
|-
|[[Royal Canadian Mint]]
|'''Monnaie Royale Canadienne'''
|1986
|2007
|-
|[[Istituto Poligrafico e Zecca dello Stato|State Mint and Polygraphic Institute (Italian Mint)]]
|'''Istituto Poligrafico e Zecca dello Stato'''
|1989
|1989
|-
|[[Japan Mint|Mint of Japan]]
|'''独立行政法人造幣局'''
|1926
|1937
|-
|[[Birmingham Mint|Heaton and Sons (The Mint Birmingham Limited)]]
|
|1875
|1921
|-
|[[Royal Mint of Belgium]]
|'''La Monnaie Royale de Belgique/'''<br>'''Koninklijke Munt van België'''
|1908
|1935
|-
|[[Philadelphia Mint|United States Mint of Philadelphia]]
|
|1919
|1919
|-
|[[Hamburgische Münze|Mint of Hamburg]]
|'''Hamburgische Münze'''
|1887
|1905
|}

=== ''Photduang'' coinage ===
[[File:Tailandia.jpg|thumb|Example of the Spanish dollar which was marked with the Siamese government's emblem – marking that it is legal tender]]
[[Cowrie]] shells from the [[Mekong]] River had been used as currency for small amounts since the Sukhothai period. Before 1860, Thailand did not produce coins using modern methods. Instead, a so-called "bullet" coinage was used, consisting of bars of metal, thicker in the middle, bent round to form a complete circle on which identifying marks were stamped.<ref>{{cite web |url=http://www.matichon.co.th/mtc-flv-window.php?newsid=1323259839 |script-title=th:อันซีน "พิพิธภัณฑ์มีชีวิต ธนบัตรมีเรื่องราว" แห่งเดียวในประเทศไทย [Unseen living museum - Banknotes have stories from the unique museum in Thailand]|language=th |work=Matichon |access-date=8 December 2011 |archive-url=https://web.archive.org/web/20151222112321/http://www.matichon.co.th/mtc-flv-window.php?newsid=1323259839 |archive-date=2015-12-22 |url-status=dead }}</ref><ref>{{cite book|title=เบี้ย บาท กษาปณ์แบงค์ [Cowrie, Baht, Coins, and Bank] โดย นวรัตน์ เลขะกุล|first=Nawarat |last=Lekhakum|publisher= สำนักพิมพ์สารคดี [Sarakhadee Press]|language=th |date=2009}}</ref> Denominations issued included {{frac|128}}, {{frac|64}}, {{frac|32}}, {{frac|16}}, {{frac|8}}, {{frac|2}}, 1, {{frac|1|1|2}}, 2, {{frac|2|1|2}}, 4, {{frac|4|1|2}}, 8, 10, 20, 40 and 80 baht in silver and {{frac|32}}, {{frac|16}}, {{frac|8}}, {{frac|2}}, 1, {{frac|1|1|2}}, 2 and 4 baht in gold. One gold baht was generally worth 16 silver baht. Between 1858 and 1860, foreign trade coins were also stamped by the government for use in Thailand.

==== Sukhothai and Ayutthaya ''photduang'' ====
''Photduang'', a form of currency used during the Sukhothai period, was characterized by its longer legs, which created a larger and wider hole in the middle. These coins were primarily made of silver and featured a cut across the front of each leg. This cut served a dual purpose: it authenticated the money and allowed for the quality of the silver to be tested. Over time, as the Sukhothai Kingdom declined and became a vassal state of Ayutthaya—which was established as the capital in 1350—the design of ''photduang'' evolved. The coins became rounder with shorter legs, and the central hole, while still present, grew smaller. By the end of this era, the hole disappeared completely. The cuts on the legs also reduced in size and were eventually replaced by a small elliptical nick, known as "Met Kao San," on one side of the coin.<ref name=":02">{{Cite web |last=Watanalumleard |first=S. |date= |title=The Story of Photduang |url=http://coinmuseum.treasury.go.th/en/news_view.php?nid=118 |access-date=August 7, 2024 |website=coinmuseum}}</ref>

==== Thonburi and Rattanakosin ''photduang'' ====
The Thonburi period (1767–1782) and the Rattanakosin period, beginning in 1782, adopted the ''photduang'' design from the late Ayutthaya period. The coins from these periods had no central hole, and the legs were even shorter. A key difference was that 
[[File:Administrative Division of Rattanakosin Kingdom in 1805.jpg|thumb|453x453px|Siam at the time of podduang issue 4 (1805)]]
Thonburi ''photduang'' lacked the elliptical nick, whereas the Rattanakosin coins reintroduced this feature, similar to the Ayutthaya coins. ''Photduang'' from these later periods typically featured two stamped marks: the dynasty mark on top and the king's personal mark on the front part. The dynasty mark often symbolized the kingdom's ruling dynasty, while the king's personal mark represented the reigning monarch.<ref name=":02" />

==== Markings on the ''photduang'' ====
The markings on ''photduang'' coins varied across different periods. During the Sukhothai era, some coins bore no marks, while others had up to 11. This variation was because, at that time, individuals and merchants could produce their own money. However, from the Ayutthaya period onward, the production of ''photduang'' was monopolized by the government, making it easier to identify coins from each era. Ayutthaya ''photduang'' typically bore two marks: the dynasty mark, which could be a spoked wheel symbolizing the "Wheel of Law" from Buddhist teachings or the Chakra (Vishnu's weapon), represented by a pattern of 8 dots surrounding a central dot. The king's personal mark varied with each ruler and included symbols such as a conch shell, a Garuda bird (''khrut''), an elephant, and an anchor, each symbolizing different aspects of the king's reign or divine associations.<ref name=":02" />

==== ''Photduang'' timeline ====
<timeline>
ImageSize = width:1500 height:auto barincrement:25
PlotArea = top:10 bottom:30 right:130 left:20

AlignBars = justify

DateFormat = yyyy
Period = from:1250 till:2024
TimeAxis = orientation:horizontal
ScaleMajor = unit:year increment:50 start:1250
ScaleMinor = unit:year increment:10 start:1250

Colors =
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 id:r value:rgb(0.5,0,0)
 id:p value:rgb(1,0.1,0.6)
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 id:y value:rgb(0.9,0.7,0.1)
 id:g value:rgb(0,0.4,0)
 id:m value:rgb(0,0.8,0)
 id:b value:rgb(0.1,0.6,1)
 id:n value:rgb(0,0,0.5)
 id:rp value:rgb(0.4,0.2,0.6)
 id:v value:rgb(0.6,0,0.8)
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 bar:eon

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 bar:eon color:eon

 width:20 align:left fontsize:10 shift:(5,-3) anchor:till
 barset:Rulers

 from:1251 till:1400 color:o text:"[[Thai baht#Sukhothai and Ayutthaya photduang|Sukhothai Issue 1]]"
 from:1351 till:1767 color:o text:"[[Thai baht#Sukhothai and Ayutthaya photduang|Ayutthaya Issue 2]]"
 from:1767 till:1782 color:o text:"[[Thai baht#Thonburi and Rattanakosin photduang|Thonburi Issue 3]]"
 from:1782 till:1809 color:o text:"[[Thai baht#Thonburi and Rattanakosin photduang|Rattanakosin Issue 4 (Rama I)]]"
 from:1809 till:1824 color:o text:"[[Thai baht#Thonburi and Rattanakosin photduang|Rattanakosin Issue 5 (Rama II)]]"
 from:1824 till:1851 color:o text:"[[Thai baht#Thonburi and Rattanakosin photduang|Rattanakosin Issue 6 (Rama III)]]"
 from:1851 till:1870 color:o text:"[[Thai baht#Thonburi and Rattanakosin photduang|Rattanakosin Issue 7 (Rama IV)]]"

 from:1856 till:1862 color:p text:"[[Thai baht#Coin timeline|vvv Flat coin issues vvv]]"
 from:1856 till:1862 color:p text:"[[Thai baht#Issue 1 – 1856 (transitional)|Issue 1 (Rama IV, transitional)]]"
 from:1860 till:1910 color:r text:"[[Thai baht#Issue 2 – 1860|Issue 2 (Rama IV)]]"
 from:1869 till:1910 color:r text:"[[Thai baht#Issue 3 – 1869|Issue 3 (Rama IV)]]"
 from:1875 till:1910 color:r text:"[[Thai baht#Issue 4 – 1875|Issue 4 (Rama V)]]"
 from:1888 till:1910 color:r text:"[[Thai baht#Issue 5 – 1888|Issue 5 (Rama V)]]"
 from:1897 till:1902 color:p text:"[[Thai baht#Issue 6 – 1897 (transitional)|Issue 6 (Rama V, transitional)]]"
 from:1908 till:1937 color:b text:"[[Thai baht#Issue 7 – 1908, 1913, 1929, 1939|Issue 7 (Rama V, VI, VII, VIII)]]"
 from:1910 till:1937 color:b text:"[[Thai baht#Issue 8 – 1913|Issue 8 (Rama VI)]]"
 from:1929 till:1937 color:b text:"[[Thai baht#Issue 9 – 1929|Issue 9 (Rama VII)]]"
 from:1937 till:1946 color:b text:"[[Thai baht#Issue 10 – 1937, 1941, 1942, 1945|Issue 10 (Rama VIII)]]"
 from:1946 till:1950 color:b text:"[[Thai baht#Issue 11 – 1946|Issue 11 (Rama VIII)]]"
 from:1950 till:1972 color:b text:"[[Thai baht#Issue 12 – 1950|Issue 12 (Rama IX)]]"
 from:1972 till:1977 color:b text:"[[Thai baht#Issue 13 – 1972|Issue 13 (Rama IX)]]"
 from:1977 till:1982 color:b text:"[[Thai baht#Issue 14 – 1977|Issue 14 (Rama IX)]]"
 from:1982 till:1987 color:b text:"[[Thai baht#Issue 15 – 1982|Issue 15 (Rama IX)]]"
 from:1987 till:2024 color:b text:"[[Thai baht#Issue 16 – 1987, 1988, 2005, 2008|Issue 16-1 (Rama IX)]]"
 from:2009 till:2024 color:b text:"[[Thai baht#Issue 16 – 2009|Issue 16-2 (Rama IX)]]"
 from:2018 till:2024 color:b text:"[[Thai baht#Issue 17 – 2018|Issue 17 (Rama X)]]"

 barset:skip
</timeline><ref>{{Cite web |last=Wattanalumleard |first=S. |date= |title=The Story of Photduang |url=http://coinmuseum.treasury.go.th/en/news_view.php?nid=118 |access-date=August 7, 2024 |website=coinmuseum}}</ref> ''*continues in the coin section*''

====List====
{| class="wikitable" style="text-align: center"
|+''Photduang'' of the Thai tical (Rama III & Rama IV)<ref name=":0">{{Cite web |last=The Treasury Department |date=January 3, 2020 |title=ราคาประเมินมูลค่าเงินตราโบราณ |url=https://www.treasury.go.th/th/coin-valuation/ |url-status=live |archive-url=https://web.archive.org/web/20230608122100/https://www.treasury.go.th/th/coin-valuation/ |archive-date=June 8, 2023 |access-date=September 4, 2023 |website=www.treasury.go.th}}</ref>
! rowspan="2" |Image 
! colspan="2" |Names
! colspan="2" |Value
! rowspan="2" |Width<br>(mm)
! rowspan="2" |Weight<br>(g)
! rowspan="2" |Composition
! rowspan="2" |Inscription, description 
! rowspan="2" |Dates of issue
|-
!Primary
!Secondary
!in silver<br>baht
!in gold<br>baht
|-
|[[File:Bia value cowry shell.png|frameless|150x150px]]
|colspan="2" |Bia<br>'''เบี้ย'''
|{{Frac|1|6400}}
|{{Frac|1|102400}}
|25 
|1.58
|Calcium carbonate
|None
|1238–1869
|-
|[[File:Half pai podduang.png|frameless|150x150px]]
|Half Phai<br>'''กึ่งไพ'''
|At<br>'''อัฐ'''
|1/64
|1/1024
|2
|0.25
|Silver
|State ensign of Rattanakosin
|1824–1851
|-
|[[File:Pai podduang.png|frameless|150x150px]]
|colspan="2"|Phai<br>'''ไพ'''
|1/32
|1/512
|4
|0.5
|Silver
|State ensign of Rattanakosin<br>Castle
|1824–1856
|-
|[[File:Half feuang podduang.png|frameless|150x150px]]
|2 Phai<br>'''สองไพ'''
|Half Fueang<br>'''กึ่งเฟื้อง'''
|1/16
|1/256
|6
|1
|Silver
|State ensign of Rattanakosin<br>Castle
|1824–1856
|-
|[[File:Feuang podduang.png|frameless|150x150px]]
|colspan="2"|Fueang<br>'''เฟื้อง'''
|1/8
|1/128
|6.5
|1.98
|Silver
|State ensign of Rattanakosin<br>Castle
|1824–1856
|-
|[[File:Saleung podduang.png|frameless|150x150px]]
| colspan="2"|Salueng<br>'''สลึง'''
|1/4
|1/64
|9
|3.7
|Silver
|State ensign of Rattanakosin<br>Castle
|1824–1856
|-
|[[File:2 saleung podduang.png|frameless|150x150px]]
|2 Salueng<br>'''สองสลึง'''
|Half Baht<br>'''กึ่งบาท'''
|1/2
|1/32
|11
|7.6
|Silver
|State ensign of Rattanakosin<br>Castle
|1824–1856
|-
|[[File:Baht podduang.png|frameless|150x150px]]
|colspan="2"|Baht<br>'''บาท'''
|1
|1/16
|14.5
|15.14
|Silver
|State ensign of Rattanakosin<br>Castle
|1824–1856
|-
|[[File:Gold half feuang podduang.png|frameless|150x150px]]
|Gold 2 Phai<br>'''สองไพทอง'''
|Gold Half Fueang<br>'''กึ่งเฟื้องทอง'''
|1
|1/16
|5
|1
|Gold
|State ensign of Rattanakosin<br>Phra Maha Mongkut seal
|1851–1856
|-
|[[File:Half tamleung podduang.png|frameless|150x150px]]
|2 Baht<br>'''สองบาท'''
|Half Tamlueng<br>'''กึ่งตำลึง'''
|2
|1/8
|17.5
|30.30
|Silver
|State ensign of Rattanakosin<br>Castle
|1824–1856
|-
|[[File:Gold feuang podduang.png|frameless|150x150px]]
|colspan="2"|Gold Fueang<br>'''เฟื้องทอง'''
|2
|1/8
|6
|1.5
|Gold
|State ensign of Rattanakosin<br>Phra Maha Mongkut seal
|1851–1856
|-
|[[File:Tamleung podduang.png|frameless|150x150px]]
|4 Baht<br>'''สี่บาท'''
|Tamlueng<br>'''ตำลึง'''
|4
|1/4
|23.5
|60.50
|Silver
|State ensign of Rattanakosin<br>Castle
|1824–1856
|-
|[[File:Gold saleung podduang.png|frameless|150x150px]]
|colspan="2"|Gold Salueng<br>'''สลึงทอง'''
|4
|1/4
|8
|3.7
|Gold
|State ensign of Rattanakosin<br>Phra Maha Mongkut seal
|1851–1856
|-
|[[File:Gold half baht podduang.png|frameless|150x150px]]
|Gold 2 Salueng<br>'''สองสลึงทอง'''
|Gold Half Baht<br>'''กึ่งบาททอง'''
|8
|1/2
|9.5
|7.56
|Gold
|State ensign of Rattanakosin<br>Phra Maha Mongkut seal 
|1851–1856
|-
|[[File:Gold baht podduang.png|frameless|150x150px]]
|colspan="2"|Gold Baht<br>'''บาททอง'''
|16
|1
|12
|15.14
|Gold
|State ensign of Rattanakosin<br>Phra Maha Mongkut seal
|1851–1856
|-
|[[File:Gold half tamleung podduang.png|frameless|150x150px]]
|Gold 2 Baht<br>'''สองบาททอง'''
|Gold Half Tamlueng<br>'''กึ่งตำลึงทอง'''
|32
|2
|16
|30.01
|Gold
|State ensign of Rattanakosin<br>Phra Maha Mongkut seal
|1851–1856
|-
|[[File:Half chang podduang.png|frameless|150x150px]]
|40 Baht<br>'''สี่สิบบาท'''
|Half Chang<br>'''กึ่งชั่ง'''
|40
|2.5
|48
|606.5
|Silver
|State ensign of Rattanakosin<br>Phra Maha Mongkut seal
|1860
|-
|[[File:Chang podduang.png|frameless|150x150px]]
|80 Baht<br>'''แปดสิบบาท'''
|Chang<br>'''ชั่ง'''
|80
|5
|59
|1216
|Silver
|State ensign of Rattanakosin<br>Phra Maha Mongkut seal 
|1859
|}

=== Predecimal coinage ===
[[Rama III]] (1824–1851) was the first king to consider the use of a flat coin. He did so not for the convenience of traders, but because he was disturbed that the creatures living in the cowrie shells were killed. When he learned of the use of flat copper coins in Singapore in 1835, he contacted a Scottish trader, who had two types of experimental coins struck in England. The king rejected both designs. The name of the country put on these first coins was ''Muang Thai'', not ''Siam''.<ref>{{cite web|url=http://phila09-04.eurseree.com/cgi-bin/info/agora.cgi?cart_id=5286534.107769*KJ66o8&p_id=1196&xm=on&ppinc=search2|title=1835 Rama III unadopted design copper coin "Lotus - MuangThai"|access-date=2015-10-20|archive-date=2015-12-22|archive-url=https://web.archive.org/web/20151222110629/http://phila09-04.eurseree.com/cgi-bin/info/agora.cgi?cart_id=5286534.107769*KJ66o8&p_id=1196&xm=on&ppinc=search2|url-status=live}}</ref><ref>{{cite web|url=http://www.royalthaimint.net/ewtadmin/ewt/mint_web/ewt_news.php?nid=46&filename=index|script-title=th:เงินตรา|website=Royal Thai Mint|language=th|access-date=20 October 2015|archive-url=https://web.archive.org/web/20160304103729/http://www.royalthaimint.net/ewtadmin/ewt/mint_web/ewt_news.php?nid=46&filename=index|archive-date=4 March 2016|url-status=dead}}</ref>

In 1860, modern-style coins were introduced. These were silver 1 ''sik''; 1 ''fueang''; 1 and 2 ''salueng''; 1, 2, and 4 baht; with the baht weighing 15.244&nbsp;grams and the others weight-related. Tin 1 ''solot'' and 1 ''at'' followed in 1862, with gold {{frac|2|1|2}}, 4, and 8 baht introduced in 1863 and copper 2 and 4 ''at'' in 1865. Copper replaced tin in the 1 ''solot'' and 1 ''at'' in 1874, with copper 4 at introduced in 1876. The last gold coins were struck in 1895.
[[File:Administrative Division of Rattanakosin Kingdom in 1850.jpg|thumb|453x453px|Siam at the time of coin issue 1, 2, 3, and 4 (1856-1875)]]

==== Coin timeline ====
<timeline>
ImageSize = width:1500 height:auto barincrement:25
PlotArea = top:10 bottom:30 right:130 left:20

AlignBars = justify

DateFormat = yyyy
Period = from:1850 till:2024
TimeAxis = orientation:horizontal
ScaleMajor = unit:year increment:10 start:1850
ScaleMinor = unit:year increment:2 start:1850

Colors =
 id:canvas value:rgb(1,1,1)
 id:r value:rgb(0.5,0,0)
 id:p value:rgb(1,0.1,0.6)
 id:o value:rgb(1,0.3,0)
 id:y value:rgb(0.9,0.7,0.1)
 id:g value:rgb(0,0.4,0)
 id:m value:rgb(0,0.8,0)
 id:b value:rgb(0.1,0.6,1)
 id:n value:rgb(0,0,0.5)
 id:rp value:rgb(0.4,0.2,0.6)
 id:v value:rgb(0.6,0,0.8)
 id:eon value:white

Backgroundcolors = canvas:canvas

BarData =
 barset:Rulers
 bar:eon

PlotData= skip
 bar:eon color:eon

 width:20 align:left fontsize:10 shift:(5,-3) anchor:till
 barset:Rulers

 from:1850 till:1870 color:o text:"[[Thai baht#Photduang timeline|Rattanakosin Issue 7 (Rama IV)]]"
 from:1856 till:1862 color:p text:"[[Thai baht#Issue 1 – 1856 (transitional)|Issue 1 (Rama IV, transitional)]]"
 from:1860 till:1910 color:r text:"[[Thai baht#Issue 2 – 1860|Issue 2 (Rama IV)]]"
 from:1869 till:1910 color:r text:"[[Thai baht#Issue 3 – 1869|Issue 3 (Rama IV)]]"
 from:1875 till:1910 color:r text:"[[Thai baht#Issue 4 – 1875|Issue 4 (Rama V)]]"
 from:1888 till:1910 color:r text:"[[Thai baht#Issue 5 – 1888|Issue 5 (Rama V)]]"
 from:1897 till:1902 color:p text:"[[Thai baht#Issue 6 – 1897 (transitional)|Issue 6 (Rama V, transitional)]]"
 from:1908 till:1937 color:b text:"[[Thai baht#Issue 7 – 1908, 1913, 1929, 1939|Issue 7 (Rama V, VI, VII, VIII)]]"
 from:1910 till:1937 color:b text:"[[Thai baht#Issue 8 – 1913|Issue 8 (Rama VI)]]"
 from:1929 till:1937 color:b text:"[[Thai baht#Issue 9 – 1929|Issue 9 (Rama VII)]]"
 from:1937 till:1946 color:b text:"[[Thai baht#Issue 10 – 1937, 1941, 1942, 1945|Issue 10 (Rama VIII)]]"
 from:1946 till:1950 color:b text:"[[Thai baht#Issue 11 – 1946|Issue 11 (Rama VIII)]]"
 from:1950 till:1972 color:b text:"[[Thai baht#Issue 12 – 1950|Issue 12 (Rama IX)]]"
 from:1972 till:1977 color:b text:"[[Thai baht#Issue 13 – 1972|Issue 13 (Rama IX)]]"
 from:1977 till:1982 color:b text:"[[Thai baht#Issue 14 – 1977|Issue 14 (Rama IX)]]"
 from:1982 till:1987 color:b text:"[[Thai baht#Issue 15 – 1982|Issue 15 (Rama IX)]]"
 from:1987 till:2024 color:b text:"[[Thai baht#Issue 16 – 1987, 1988, 2005, 2008|Issue 16-1 (Rama IX)]]"
 from:2009 till:2024 color:b text:"[[Thai baht#Issue 16 – 2009|Issue 16-2 (Rama IX)]]"
 from:2018 till:2024 color:b text:"[[Thai baht#Issue 17 – 2018|Issue 17 (Rama X)]]"

 barset:skip
</timeline>

==== Issue 0 – 1835 (trial series) ====
During the reign of King Rama III (1824–1851), an initiative was made to introduce Thailand’s first flat coinage, intended to replace the widely used cowrie shells. To aid in this modernization of the monetary system, the king employed Robert Hunter, a Scottish merchant, to produce pattern coins.<ref>Elephant-Mueang Thai - Rama III, Thailand. Numista.com. Published 2025. Accessed May 9, 2025. <nowiki>https://en.numista.com/catalogue/pieces174244.html</nowiki></ref>

The proposed designs featured an elephant motif, which bore resemblance to the coinage of Lanka (modern-day Sri Lanka). Concerned about the symbolic inappropriateness of the elephant, which could imply foreign influence or association, King Rama III ultimately rejected all of the submitted patterns. As a result, none of the proposed coins were officially adopted or denominated.

These pattern coins, though never circulated, represent an early attempt at modernization of Siamese currency prior to the eventual adoption of machine-struck coinage in the reign of King Rama IV.
{| class="wikitable" style="text-align: center"
! colspan="9" |Issue 0 coins (Rama III) [''The Muang Thai Series'']<ref name=":1">''เหรียญกษาปณ์ไทย'' (1st ed., Vol. 1). (2019). บริษัทอมรินทร์ บุ๊ค เซ็นเตอร์ จำกัด.</ref>
|-
! colspan="2" |Image
!Value
! rowspan="2" |Dimensions<br>(mm)
! rowspan="2" |Weight<br>(g)
! rowspan="2" |Composition
! colspan="2" |Inscription, description
! rowspan="2" |Date of issue
|-
!Obverse
!Reverse
!Coinage value
!Obverse
!Reverse
|-
| rowspan="2" |[[File:No_image_available.svg|frameless|100x100px]]
| rowspan="2" |[[File:No_image_available.svg|frameless|100x100px]]
| rowspan="2" |no value
|23
| -
|Copper
| rowspan="2" |'''Elephant'''
๑๑๙๗
''(CS. 1197)''
| rowspan="2" |'''Star'''
เมืองไทย
(Thailand)
|1835
|-
|22
| -
|Silver
|1835
|-
|[[File:No_image_available.svg|frameless|100x100px]]
|[[File:No_image_available.svg|frameless|100x100px]]
|no value
|22
| -
|Silver
|'''Lotus'''
๑๑๙๗
''(CS. 1197)''
|'''Star'''
เมืองไทย
(Thailand)
|1835
|-
|[[File:No_image_available.svg|frameless|100x100px]]
|[[File:No_image_available.svg|frameless|100x100px]]
|no value
|22
| -
|Copper
|'''Lotus'''
๑๑๙๗
''(CS. 1197)''
|نڭري ''(Nagari / Land of)''
ترومن ''(Trumon)''
|1835
|-
|[[File:No_image_available.svg|frameless|100x100px]]
|[[File:No_image_available.svg|frameless|100x100px]]
|no value
|22
| -
|Copper
|'''Lotus'''
๑๑๙๗
''(CS. 1197)''
|نڭري ''(Nagari / Land of)''
ترومن ''(Trumon)''
|1835
|}

==== Issue 1 – 1856 (transitional) ====
The first issue of coins were commissioned by Rama IV, though it was never brought into circulation. This was one of the first attempt to replace the bullet coins, but few were ever minted without making it into circulation.<ref>{{Cite web |title=1 Fueang - Rama IV, Thailand |url=https://en.numista.com/catalogue/pieces176191.html |access-date=2024-03-05 |website=en.numista.com |language=en}}</ref>
{| class="wikitable" style="text-align: center"
|+Issue 1 coins (Rama IV)<ref name=":1" />
! colspan="2" |Image
! colspan="2" |Value
! rowspan="2" |Dimensions<br>(mm)
! rowspan="2" |Weight<br>(g)
! rowspan="2" |Composition
! colspan="2" |Inscription, description
! rowspan="2" |Date of issue
|-
!Obverse
!Reverse
!Name
!Coinage value
!Obverse
!Reverse
|-
| rowspan="2" |[[File:1856 1 Fuang O.png|frameless|150x150px]]
| rowspan="2" |[[File:1856 1 Fuang R.png|frameless|150x150px]]
|Fueang<br>'''เฟื้อง'''
|1 fueang,<br>1/8 baht
|15
|1.8
|Gold
|Phra Maha Mongkut seal
|กรุงเทพ ''(Krung Thep)''
| rowspan="2" |1856
|-
|Salueng<br>'''สลึง'''
|1/16 tamlueng,<br>1/4 baht
|20
|3.2
|Gold
|Phra Maha Mongkut seal
|กรุงเทพ ''(Krung Thep)''
|-
| rowspan="2" |[[File:1856 1 Saleung O.png|frameless|150x150px]]
| rowspan="2" |[[File:1856 1 Saleung R.png|frameless|150x150px]]
|Fueang<br>'''เฟื้อง'''
|1 fueang,<br>1/8 baht
|12.5
|1.85
|Silver
|Chakra ''(top)'', Phra Tao ''(middle)''<br>Phra Maha Mongkut seal ''(bottom)''
|กรุงเทพ ''(Krung Thep)''
|1856
|-
|Salueng<br>'''สลึง'''
|1/16 tamlueng,<br>1/4 baht
|16
|3.8
|Silver
|Chakra ''(top)'', Phra Tao ''(middle)''<br>Phra Maha Mongkut seal ''(bottom)''
|กรุงเทพ ''(Krung Thep)''
|1856
|}

==== Issue 2, 3 – 1860, 1869 ====
The first circulating issue of the Siamese coins. This marked the start of the move away from using ''photduang'' currency. Though in this era, the ''photduang'' were still legal tender. In this series, the lower denominations were made of silver, and the higher ones were made of gold. These higher denominations were given nicknames: ''pot dueng'', ''pit'', and ''tot''. ''Pot dueng'' means thirty two, as in 1/32 of a ''chang''. The other nickname was the ''chinkang'' or one Chinese ''tamlueng''.<ref>{{Cite web |title=2½ Baht |url=https://en.numista.com/catalogue/pieces24271.html |access-date=2024-03-05 |website=en.numista.com |language=en}}</ref> The pit means twenty, as in 1/20 of a chang, the other name is ekkang, or one thai tamlueng.<ref>{{Cite web |title=4 Baht |url=https://en.numista.com/catalogue/pieces135454.html |access-date=2024-03-05 |website=en.numista.com |language=en}}</ref> The ''tot'' means ten, as in 1/10 of a ''chang''. The coin was also called ''thukkang'', which means two ''tamlueng''.<ref>{{Cite web |title=8 Baht |url=https://en.numista.com/catalogue/pieces24453.html |access-date=2024-03-05 |website=en.numista.com |language=en}}</ref> In the lower denominations materials such as [[tin]], [[copper]] and [[brass]] are used, since these are quite low value.

According to the Thai Treasury, regarding the gold coins, they were minted during a period when large amounts of gold were entering Thailand. Inspired by the widespread use of gold coins in other countries, such as the gold coins of England, King Mongkut (Rama IV) ordered the production of gold coins for domestic use. These coins, with their higher value, facilitated trade as the silver coins in circulation at the time were of lower value. They were officially issued on October 29, 1863, and were withdrawn from use in 1908.<ref>เหรียญทองคำทศ พิศ พัดดึงส์ | กรมธนารักษ์. กรมธนารักษ์ : The Treasury Department. Published 2024. Accessed December 20, 2024. <nowiki>https://www.treasury.go.th/th/coin-king4-gold/</nowiki>‌</ref>

This series of coins was produced using manually operated machinery that had been presented as a royal gift by Queen Victoria of England. Due to the limited production capacity of these machines, the coins could not be minted in sufficient quantities to meet the country's demand. Consequently, their use was discontinued. This coincided with the arrival of steam-powered machinery, which allowed for more efficient and larger-scale coin production.<ref>เหรียญเงินตราพระมหามงกุฏ-พระแสงจักร (บรรณาการ) | กรมธนารักษ์. กรมธนารักษ์ : The Treasury Department. Published 2024. Accessed December 20, 2024. <nowiki>https://www.treasury.go.th/th/coin-king4-tribute/</nowiki>‌</ref> It is worth noting that coins of the half-fuang denomination were not mentioned in official announcements.<ref>เหรียญเงินตราพระมหามงกุฎ - พระแสงจักร | กรมธนารักษ์. กรมธนารักษ์ : The Treasury Department. Published 2024. Accessed December 20, 2024. <nowiki>https://www.treasury.go.th/th/coin-k4-1/</nowiki>‌</ref>

In 1866, These thin copper coins, in sik (half-fuang) and siao (quarter-fuang) denominations, were produced to replace their thicker counterparts, which were heavier and had the same value. The decision to issue lighter, thinner coins was made after an incident where King Mongkut (Rama IV) distributed the thicker coins during a charitable event, and recipients were injured with head wounds and bruises. His Majesty considered that the copper coins already bore stamped marks and inscriptions (indicating that 2 coins equaled 1 fuang and 4 coins equaled 1 fuang), making them trustworthy. Therefore, thinner and lighter coins would still serve their purpose effectively without causing harm.<ref>เหรียญทองแดงตราพระมหามงกุฎ - พระแสงจักร แบบบาง | กรมธนารักษ์. กรมธนารักษ์ : The Treasury Department. Published 2024. Accessed December 20, 2024. <nowiki>https://www.treasury.go.th/th/coin-k4-6/</nowiki>‌</ref>
{| class="wikitable" style="text-align: center"
! colspan="10" |Issue 2 coins (Rama IV) [''The Mongkut Series'']<ref name=":1" />
|-
! colspan="2" |Image
! colspan="2" |Value
! rowspan="2" |Dimensions<br>(mm)
! rowspan="2" |Weight<br>(g)
! rowspan="2" |Composition
! colspan="2" |Inscription, description
! rowspan="2" |Date of issue
|-
!Obverse
!Reverse
!Name
!Coinage value
!Obverse
!Reverse
|-
|[[File:1862 1 Solot O.png|frameless|150x150px]]
|[[File:1862 1 Solot R.png|frameless|150x150px]]
|Solot<br>'''โสฬส'''
|1/16 fueang,<br>1/128 baht
|23 × 2
|4
|Tin
|'''Great Mongkut Seal'''
|'''Siamese State Ensign'''
+<br>สิบ หก อัน เป็น เฟื้อง<br>1/16　F.　方　片　六　十
|1862
|-
|[[File:1862 1 Att O.png|frameless|150x150px]]
|[[File:1862 1 Att R.png|frameless|150x150px]]
|At<br>'''อัฐ'''
|1/8 fueang,<br>1/64 baht
|29 × 2
|7.2
|Tin
|'''Great Mongkut Seal'''
|'''Siamese State Ensign'''
+<br>แปด อัน เปน เฟื้อง<br>1/8　F.　方　片　捌
|1862
|-
|[[File:1862 1 Siao O.png|frameless|150x150px]]
|[[File:1862 1 Siao R.png|frameless|150x150px]]
|Siao<br>'''เสี้ยว'''
|1/4 fueang,<br>1/32 baht
|22 × 3
|7.55<br>3.55
|Copperฺ<br>Brass
|'''Great Mongkut Seal'''
|'''Siamese State Ensign'''
+<br>สี่ อัน เปน เฟื้อง<br>1/4　F.　方　片　四
|1865
|-
|[[File:1862 1 Sik O.png|frameless|150x150px]]
|[[File:1862 1 Sik R.png|frameless|150x150px]]
|Sik<br>'''ซีก'''
|1/2 fueang,<br>1/16 baht
|29 × 3
|10~<br>7.61
|Copper<br>Brass
|'''Great Mongkut Seal'''
|'''Siamese State Ensign'''
+<br>สอง อัน เปน เฟื้อง<br>1/2　F.　方　片　二
|1865
|-
| rowspan="2" |[[File:1862 0.5 Feuang O.png|frameless|150x150px]]
| rowspan="2" |[[File:1862 0.5 Feuang R.png|frameless|150x150px]]
| rowspan="2" |Half Fueang<br>'''ครึ่งเฟื้อง'''
| rowspan="2" |1/2 fueang,<br>1/16 baht
| rowspan="2" |13 × 1
|0.92
|Silver '''''[[Millesimal fineness|0.900]]'''''
| rowspan="2" |'''Great Mongkut Seal'''
| rowspan="2" |'''Siamese State Ensign'''
|1860
|-
|1.69
|Gold '''''[[Millesimal fineness|0.997]]'''''
|1863
|-
| rowspan="2" |[[File:1862 1 Fuang O.png|frameless|150x150px]]
| rowspan="2" |[[File:1862 1 Fuang R.png|frameless|150x150px]]
| rowspan="2" |Fueang<br>'''เฟื้อง'''
| rowspan="2" |1 fueang,<br>1/8 baht
| rowspan="2" |16 × 1
|1.84
|Silver '''''[[Millesimal fineness|0.900]]'''''
| rowspan="2" |'''Great Mongkut Seal''' 1 star
| rowspan="2" |'''Siamese State Ensign''' 1 star
|1857, 1860
|-
|3.39
|Gold '''''[[Millesimal fineness|0.997]]'''''
|1863
|-
| rowspan="2" |[[File:1862 1 Salung O.png|frameless|150x150px]]
| rowspan="2" |[[File:1862 1 Salung R.png|frameless|150x150px]]
| rowspan="2" |Salueng<br>'''สลึง'''
| rowspan="2" |1/16 tamlueng,<br>1/4 baht
| rowspan="2" |22 × 1
|3.7
|Silver '''''[[Millesimal fineness|0.900]]'''''
| rowspan="2" |'''Great Mongkut Seal''' 2 stars
| rowspan="2" |'''Siamese State Ensign''' 2 stars
|1857, 1860
|-
|6.82
|Gold '''''[[Millesimal fineness|0.997]]'''''
|1863
|-
| rowspan="2" |[[File:1862 2 Salung O.png|frameless|150x150px]]
| rowspan="2" |[[File:1862 2 Salung R.png|frameless|150x150px]]
| rowspan="2" |Half Baht<br>'''ครึ่งบาท'''
| rowspan="2" |1/8 tamlueng,<br>1/2 baht
| rowspan="2" |27 × 1
|7.46
|Silver '''''[[Millesimal fineness|0.900]]'''''
| rowspan="2" |'''Great Mongkut Seal''' 4 stars
| rowspan="2" |'''Siamese State Ensign''' 4 stars
|1860
|-
|13.74
|Gold '''''[[Millesimal fineness|0.997]]'''''
|1863
|-
| rowspan="2" |[[File:1862 1 Baht O.png|frameless|150x150px]]
| rowspan="2" |[[File:1862 1 Baht R.png|frameless|150x150px]]
| rowspan="2" |Baht<br>'''บาท'''
| rowspan="2" |1/4 tamlueng,<br>1 baht
| rowspan="2" |31 × 1
|15.45
|Silver '''''[[Millesimal fineness|0.900]]'''''
| rowspan="2" |'''Great Mongkut Seal''' 8 stars
| rowspan="2" |'''Siamese State Ensign''' 8 stars
|1857, 1860
|-
|28.47
|Gold '''''[[Millesimal fineness|0.997]]'''''
|1863
|-
| rowspan="2" |[[File:1862 2 Baht O.png|frameless|150x150px]]
| rowspan="2" |[[File:1862 2 Baht R.png|frameless|150x150px]]
| rowspan="2" |Half Tamlueng<br>'''ครึ่งตำลึง'''
| rowspan="2" |1/2 tamlueng,<br>2 baht
| rowspan="2" |37 × 2.5
|30
|Silver '''''[[Millesimal fineness|0.900]]'''''
| rowspan="2" |'''Great Mongkut Seal''' 16 stars
| rowspan="2" |'''Siamese State Ensign''' 16 stars
| rowspan="2" |1863
|-
|55.29
|Gold '''''[[Millesimal fineness|0.997]]'''''
|-
| rowspan="2" |[[File:1862 2 Baht O.png|frameless|150x150px]]
''stand in image*''
| rowspan="2" |[[File:No_image_available.svg|frameless|100x100px]]
| rowspan="2" |Tamlueng<br>'''ตำลึง'''
| rowspan="2" |1 tamlueng,<br>4 baht
| rowspan="2" |45 × 4
|60
|Silver '''''[[Millesimal fineness|0.900]]'''''
| rowspan="2" |'''Great Mongkut Seal''' 32 stars
| rowspan="2" |'''Siamese State Ensign''' 32 stars
| rowspan="2" |1864
|-
|110
|Gold '''''[[Millesimal fineness|0.997]]'''''
|-
|[[File:1862 2.5 Baht O.png|frameless|100x100px]]
|[[File:1862 2.5 Baht R.png|frameless|126x126px]]
|Song Phai<br>'''สองไพ'''
|1/4 tamlueng,<br>1 baht
|12 × 0.8
|1.34
|Gold '''''[[Millesimal fineness|0.997]]'''''
|'''Great Mongkut Seal'''
|'''Siamese State Ensign'''
|1857
|-
| rowspan="2" |[[File:1862 2.5 Baht O.png|frameless|150x150px]]
| rowspan="2" |[[File:1862 2.5 Baht R.png|frameless|150x150px]]
| rowspan="2" |Paddueng<br>'''พัดดึงส์'''
| rowspan="2" |5/8 tamlueng,<br>2.5 baht
|14 × 0.8
|1.6
|Gold '''''[[Millesimal fineness|0.997]]'''''
|'''Great Mongkut Seal'''
|'''Siamese State Ensign'''
|1857
|-
|16 × 0.8
|1.83
|Gold '''''[[Millesimal fineness|0.997]]'''''
|'''Great Mongkut Seal'''
|'''Siamese State Ensign'''
|1863
|-
|[[File:1862 4 Baht O.png|frameless|150x150px]]
|[[File:1862 4 Baht R.png|frameless|150x150px]]
|Pit<br>'''พิศ'''
|1 tamlueng,<br>4 baht
|17 × 1
|3.88
|Gold '''''[[Millesimal fineness|0.997]]'''''
|'''Great Mongkut Seal'''
|'''Siamese State Ensign'''
|1863
|-
|[[File:1862 8 Baht O.png|frameless|150x150px]]
|[[File:1862 8 Baht R.png|frameless|150x150px]]
|Tot<br>'''ทศ'''
|2 tamlueng,<br>8 baht
|22 × 1
|7.42
|Gold '''''[[Millesimal fineness|0.997]]'''''
|'''Great Mongkut Seal'''
|'''Siamese State Ensign'''
|1863
|-
! colspan="10" |Issue 3 coins (Rama V)<ref name=":1" />
|-
|[[File:No_image_available.svg|frameless|100x100px]]
|[[File:1862 1 Solot R.png|frameless|150x150px]]
''stand in image*''
|Solot<br>'''โสฬส'''
|1/16 fueang,<br>1/128 baht
|32 × 2
|7
|Tin
|'''Great Chula Seal'''
|'''Siamese State Ensign'''
+<br>สิบ หก อัน เป็น เฟื้อง<br>1/16　F.　方　片　六　十
|1868
|-
|[[File:1869 1 Fuang R.png|frameless|150x150px]]
|[[File:1862 1 Fuang R.png|frameless|150x150px]]
|Fueang<br>'''เฟื้อง'''
|1 fueang,<br>1/8 baht
|16 × 1
|1.84
|Silver '''''[[Millesimal fineness|0.900]]'''''
|'''Great Chula Seal'''
|'''Siamese State Ensign''' 1 star
|1869
|-
|[[File:1869 1 Salung R.png|frameless|150x150px]]
|[[File:1862 1 Salung R.png|frameless|150x150px]]
|Salueng<br>'''สลึง'''
|1/16 tamlueng,<br>1/4 baht
|22 × 1
|3.7
|Silver '''''[[Millesimal fineness|0.900]]'''''
|'''Great Chula Seal'''
|'''Siamese State Ensign''' 2 stars
|1869
|-
|[[File:1869 1 Baht R.png|frameless|150x150px]]
|[[File:1862 1 Baht R.png|frameless|150x150px]]
|Baht<br>'''บาท'''
|1/4 tamlueng,<br>1 baht
|31 × 1
|15.45
|Silver '''''[[Millesimal fineness|0.900]]'''''
|'''Great Chula Seal'''
|'''Siamese State Ensign''' 8 stars
|1869
|}

==== Issue 4 – 1875 ====
The first series to depict king Rama V, the coins of this issue were made of copper, silver, and gold. Though gold was strangely only used for the 1 ''fueang'' denomination.<ref>{{Cite web |title=1 Fuang - Rama V, Thailand |url=https://en.numista.com/catalogue/pieces33330.html |access-date=2024-03-05 |website=en.numista.com |language=en}}</ref> The new shield emblem was introduced in this issue. This shield was separated into three section. Drawing from western influences, symbols within these sections represented territories Siam was controlling. The [[Airavata|tree-headed elephant]] represented [[Rattanakosin Kingdom (1782–1932)|Siamese territory]], the bottom-left [[White elephant (animal)|elephant]] represented [[Lan Xang]], and the [[Kris|warangka]] represented Siamese Malaya.

Due to a malfunction in the minting machinery at the government mint, which prevented the production of circulating coinage, King Chulalongkorn ordered the design of this coin series and commissioned its production by a mint in Birmingham, England. This marked the first time that coins were minted abroad for circulation in Siam.<ref>เหรียญทองแดงตรา จ.ป.ร. - ช่อชัยพฤกษ์ | กรมธนารักษ์. กรมธนารักษ์ : The Treasury Department. Published 2024. Accessed December 20, 2024. <nowiki>https://www.treasury.go.th/th/coin-k5-2/</nowiki>

‌</ref> The copper coins in this issue were made in the same size as the coins of the United Kingdom, with the Solot being the same size as the [[Farthing (British coin)|Farthing]], the Att being the same size as the [[Halfpenny (British pre-decimal coin)|Half-Penny]], and the Siao being the same size as the [[Penny (British pre-decimal coin)|Penny]]. The silver coins differ in size to the British counterpart due to the baht being pegged to a different unit of silver. The copper coin in this case were base metal and were not pegged to any standard metal, hence their size tend to differ more throughout history. These copper coins only represent a certain amount of silver.

These silver coins were minted when the Sathit Kuang machinery was put into use in 1889 at the Sathit Kuang Coin Mint, marking the beginning of a new coinage system. The year markings started to appear on the coins from R.S. 120 (1898) onwards.<ref>เหรียญเงิน พระบรมรูป - ตราแผ่นดิน | กรมธนารักษ์. กรมธนารักษ์ : The Treasury Department. Published 2024. Accessed December 20, 2024. <nowiki>https://www.treasury.go.th/th/coin-k5-5/</nowiki>

‌</ref>
{| class="wikitable" style="width:100%; text-align: center"
! colspan="11" |Issue 4 coins (Rama V) [''The C.P.R. Series'']<ref name=":1" />
|-
! colspan="2" |Image
! colspan="2" |Value
! rowspan="2" |Dimensions<br>(mm)
! rowspan="2" |Weight<br>(g)
! rowspan="2" |Mintage
! rowspan="2" |Composition
! colspan="2" |Inscription, description
! rowspan="2" |Date of issue
|-
!Obverse
!Reverse
!Name
!Coinage value
!Obverse
!Reverse
|-
|[[File:1876 1 Solot O.png|frameless|150x150px]]
|[[File:1876 1 Solot R.png|frameless|150x150px]]
|Solot<br>'''โสฬส'''
|1/16 fueang,<br>1/128 baht
|20 × 1
|2.67
|'''2.56 million'''
|Copper
|กรุงสยาม ''(Kingdom of Siam)''<br>'''Monogram of [[Chulalongkorn|Rama V]]'''<br>รัชกาลที่ ๕ ''(5th Reign)''
|'''[[Cassia javanica|Java Cassia Wreath]]'''
+

โสลด ''(Solot)'' ๑๖ ''(16)'' อันเฟื้อง ''(makes a fuang)''

๑๒๓๖ ''(CS 1236)''
|1875
|-
|[[File:1876 1 Att O.png|frameless|150x150px]]
|[[File:1876 1 Att R.png|frameless|150x150px]]
|At<br>'''อัฐ'''
|1/8 fueang,<br>1/64 baht
|25 × 1
|5.58
|'''15.3 million'''
|Copper
|กรุงสยาม ''(Kingdom of Siam)''<br>'''Monogram of [[Chulalongkorn|Rama V]]'''<br>รัชกาลที่ ๕ ''(5th Reign)''
|'''[[Cassia javanica|Java Cassia Wreath]]'''
+

อัฐ ''(At)'' ๘ ''(8)'' อันเฟื้อง ''(makes a fuang)''

๑๒๓๖ ''(CS 1236)''
|1875
|-
|[[File:1876 1 Siao O.png|frameless|150x150px]]
|[[File:1876 1 Siao R.png|frameless|150x150px]]
|Siao<br>'''เสี้ยว'''
|1/4 fueang,<br>1/32 baht
|30.5 × 2
|11.14
|'''10.2 million'''
|Copper
|กรุงสยาม ''(Kingdom of Siam)''<br>'''Monogram of [[Chulalongkorn|Rama V]]'''<br>รัชกาลที่ ๕ ''(5th Reign)''
|'''[[Cassia javanica|Java Cassia Wreath]]'''
+

เสี้ยว ''(Siao)'' ๔ ''(4)'' อันเฟื้อง ''(makes a fuang)''

๑๒๓๖ ''(CS 1236)''
|1875
|-
|[[File:1876 1 Sik O.png|frameless|150x150px]]
|[[File:1876 1 Sik R.png|frameless|150x150px]]
|Sik<br>'''ซีก'''
|1/2 fueang,<br>1/16 baht
|38.5 × 2.5
|22.57
|'''unknown'''
|Copper
|กรุงสยาม ''(Kingdom of Siam)''<br>'''Monogram of [[Chulalongkorn|Rama V]]'''<br>รัชกาลที่ ๕ ''(5th Reign)''
|'''[[Cassia javanica|Java Cassia Wreath]]'''
+

สิ้ก ''(Sik)'' ๒ ''(2)'' อันเฟื้อง ''(makes a fuang)''

๑๒๓๘ ''(CS 1238)''
|1875
|-
| rowspan="4" |[[File:1876 1 Feuang O.png|frameless|150x150px]]
| rowspan="4" |[[File:1876 1 Feuang R.png|frameless|150x150px]]
| rowspan="4" |Fueang<br>'''เฟื้อง'''
| rowspan="4" |1 fueang,<br>1/8 baht
| rowspan="2" |16 × 0.5
| rowspan="2" |1.87
|'''unknown'''
| rowspan="2" |Gold '''''[[Millesimal fineness|0.997]]'''''
| rowspan="4" |'''[[Chulalongkorn|Rama V's Portrait]]'''
+
สมเด็จพระปรมินทรมหาจุฬาลงกรณ์<br>''(His Majesty King Chulalongkorn)''<br>พระจุลจอมเกล้าเจ้าอยู่หัว<br>''(King Chula Chomklao)''
|'''[[Emblem of Thailand|Siamese State Seal]]'''
+

กรุงสยาม ''(Siam)''<br>รัชกาลที่๕ ''(5th Reign)''<br>เฟื้องหนึ่ง ''(1 fueang)''
| rowspan="2" |1876-1910
|-
|'''unknown'''
|๑๒๐
''(RS. 120)''
|-
| rowspan="2" |16 × 0.9
| rowspan="2" |1.95
|'''7.41 million'''
| rowspan="2" |Silver '''''[[Millesimal fineness|0.900]]'''''
|'''[[Emblem of Thailand|Siamese State Seal]]'''
+

กรุงสยาม ''(Siam)''<br>รัชกาลที่๕ ''(5th Reign)''<br>เฟื้องหนึ่ง ''(1 fueang)''
|1875
|-
|'''3.8 million'''
''(dated)''
|๑๒๐
''(RS. 120)''
|1901-1908
|-
| rowspan="2" |[[File:1876 1 Salung O'.png|frameless|150x150px]]
| rowspan="2" |[[File:1876 1 Salung R.png|frameless|150x150px]]
| rowspan="2" |Salueng<br>'''สลึง'''
| rowspan="2" |1/16 tamlueng,<br>1/4 baht
| rowspan="2" |20.5 × 1.0
| rowspan="2" |3.75
|'''6.08 million'''
| rowspan="2" |Silver '''''[[Millesimal fineness|0.900]]'''''
| rowspan="2" |'''[[Chulalongkorn|Rama V's Portrait]]'''
+
สมเด็จพระปรมินทรมหาจุฬาลงกรณ์<br>''(His Majesty King Chulalongkorn)''<br>พระจุลจอมเกล้าเจ้าอยู่หัว<br>''(King Chulalongkorn)''
|'''[[Emblem of Thailand|Siamese State Seal]]'''
+

กรุงสยาม ''(Siam)''<br>รัชกาลที่๕ ''(5th Reign)''<br>สลึงหนึ่ง ''(1 salueng)''
|1875
|-
|'''2.46 million'''
''(dated)''
|๑๒๐
''(RS. 120)''
|1901-1908
|-
| rowspan="2" |[[File:1876 1 Baht O.png|frameless|150x150px]]
| rowspan="2" |[[File:1876 1 Baht R.png|frameless|150x150px]]
| rowspan="2" |Baht<br>'''บาท'''
| rowspan="2" |1/4 tamlueng,<br>1 baht
| rowspan="2" |31 × 2.0
| rowspan="2" |15.1
|'''68.5 million'''
| rowspan="2" |Silver '''''[[Millesimal fineness|0.900]]'''''
| rowspan="2" |'''[[Chulalongkorn|Rama V's Portrait]]'''
+
สมเด็จพระปรมินทรมหาจุฬาลงกรณ์<br>''(His Majesty King Chulalongkorn)''<br>พระจุลจอมเกล้าเจ้าอยู่หัว<br>''(King Chulalongkorn)''
|'''[[Emblem of Thailand|Siamese State Seal]]'''
+

กรุงสยาม ''(Siam)''<br>รัชกาลที่๕ ''(5th Reign)''<br>บาทหนึ่ง ''(1 baht)''
|1875
|-
|'''59.1 million'''
''(dated)''
|๑๒๐
''(RS. 120)''
|1901-1908
|}

==== Issue 5 – 1888 ====
[[File:Administrative Division of Rattanakosin Kingdom in 1882.jpg|thumb|Siam at the time of coin issue 5 (1888)]]
This was a minor issue, in which the lesser denominations' designs were updated to incorporate the three-parted{{clarify|date=April 2025}} shield into the design. This copper coin was produced to replace previous versions and was minted in England, with additional production by the Royal Mint of Thailand.<ref>เหรียญทองแดง พระบรมรูป - ตราพระสยามเทวาธิราช | กรมธนารักษ์. กรมธนารักษ์ : The Treasury Department. Published 2024. Accessed December 20, 2024. <nowiki>https://www.treasury.go.th/th/coin-k5-3/</nowiki>‌</ref> In this issue, depending on where the coin was minted, the minting alignment was different. This means that in this specific series, the alignment will show at which mint the coin was minted.<ref>1 Siao / 2 Att - Rama V, Thailand. Numista.com. Published 2024. Accessed December 31, 2024. <nowiki>https://en.numista.com/catalogue/pieces11037.html</nowiki>‌</ref> For example, in this series there were four mints which contributed to the minting: Royal Mint of Belgium, Bangkok Mint, Heaton and Sons (Burmingham Mint), and Hamburgische Münze. For the 1 Solot coin, the coin minted in the year R.S. 109{{clarify|date=April 2025}} was medal aligned and was minted in the Birmingham Mint, but R.S. 118 coins were minted in Hamburg had coin alignement.<ref>1 Solot / {{frac|1|16}}} Fueang / {{frac|1|2}} Att - Rama V, Thailand. Numista.com. Published 2024. Accessed December 31, 2024. <nowiki>https://en.numista.com/catalogue/pieces13246.html</nowiki>‌</ref>
[[File:Minting alignment thai coin example.jpg|center|frameless|433x433px]]
{| class="wikitable" style="text-align: center"
! colspan="10" |Issue 5 coins (Rama V) [''The Siam Devadhiraj Series'']<ref name=":1" />
|-
! colspan="2" |Image
! colspan="2" |Value
! rowspan="2" |Dimensions<br>(mm)
! rowspan="2" |Weight<br>(g)
! rowspan="2" |Composition
! colspan="2" |Inscription, description
! rowspan="2" |Date of issue
|-
!Obverse
!Reverse
!Name
!Coinage value
!Obverse
!Reverse
|-
|[[File:1888 1 Solot O.png|frameless|150x150px]]
|[[File:1888 1 Solot R.png|frameless|150x150px]]
|Solot<br>'''โสฬส'''
|1/16 fueang,<br>1/128 baht
|19 × 2
|2.8
|Copper
|'''[[Chulalongkorn|Rama V's Portrait]]'''
+
จุฬาลงกรณ์ ป.ร.<br>''(Chulalongkorn Rex)''<br>พระจุลจอมเกล้าเจ้ากรุงสยาม<br>''(King Chula Chomklao of Siam)''
|[[Siam Devadhiraj|'''Guardian Deity of Siam's Portrait''']]
+

หนึ่งโสฬศ ''(1 solot)''<br>๑๑๘ ''(RS 118)''
|1887
|-
|[[File:1888 1 Att O.png|frameless|150x150px]]
|[[File:1888 1 Att R.png|frameless|150x150px]]
|At<br>'''อัฐ'''
|1/8 fueang,<br>1/64 baht
|24 × 2
|5.8
|Copper
|'''[[Chulalongkorn|Rama V's Portrait]]'''
+
จุฬาลงกรณ์ ป.ร.<br>''(Chulalongkorn Rex)''<br>พระจุลจอมเกล้าเจ้ากรุงสยาม<br>''(King Chula Chomklao of Siam)''
|[[Siam Devadhiraj|'''Guardian Deity of Siam's Portrait''']]
+

หนึ่งอัฐ ''(1 at)''<br>๑๒๒ ''(RS 122)''
|1888
|-
|[[File:1888 1 Siao O.png|frameless|150x150px]]
|[[File:1888 1 Siao R.png|frameless|150x150px]]
|Siao<br>'''เสี้ยว'''
|1/4 fueang,<br>1/32 baht
|30 × 2
|11.3
|Copper
|'''[[Chulalongkorn|Rama V's Portrait]]'''
+
จุฬาลงกรณ์ ป.ร.<br>''(Chulalongkorn Rex)''<br>พระจุลจอมเกล้าเจ้ากรุงสยาม<br>''(King Chula Chomklao of Siam)''
|[[Siam Devadhiraj|'''Guardian Deity of Siam's Portrait''']]
+

หนึ่งเซียว ''(1 siao)''<br>๑๒๒ ''(RS 122)''
|1888
|}

=== Decimal coinage ===
The decimalization of the Thai baht came about at the end of the 19th century. The minister of treasury, [[Jayanta Mongkol|Jayanta Mongkol, the Prince Mahisara Rajaharudaya]], suggested to King Rama V, that decimalization would make counting easier and further modernize Siam. Initially, there would be one superunit, ''chang'', and one subunit, ''at''. with the baht being in the middle. In summary, 64 ''at'' = 1 baht = 1/80 ''chang''. In reality, this was just a simplification of the old system, which was scrapped.<ref>{{Cite web |title=2½ Satang - Rama V, Thailand |url=https://en.numista.com/catalogue/pieces27448.html |access-date=2024-03-05 |website=en.numista.com |language=en}}</ref> In which, during the period of 1902–1908, Siam went back to the old system. Though in comparison, ''at'' is used as the subunit in Laos, compared to the satang in the Thai baht. The second attempt came at the end of Rama V's reign, where it was more widely accepted and put into effective use.

In 1897, the first coins denominated in satang were introduced, [[cupronickel]] {{frac|2|1|2}}, 5, 10, and 20 satang. However, 1 ''solot'', 1, and 2 ''at'' coins were struck until 1905 and 1 ''fueang'' coins were struck until 1910. In 1908, holed 1, 5, and 10 satang coins were introduced, with the 1 satang in bronze and the 5 and 10 satang in nickel. The 1 and 2 ''salueng'' were replaced by 25 and 50 satang coins in 1915. In 1937, holed, bronze {{frac|2}} satang were issued.

In 1941, a series of silver coins was introduced in denominations of 5, 10, and 20 satang, due to a shortage of nickel caused by [[World War II]]. The next year, tin coins were introduced for 1, 5, and 10 satang, followed by 20 satang in 1945 and 25 and 50 satang in 1946. In 1950, [[aluminium bronze]] 5, 10, 25, and 50 satang were introduced whilst, in 1957, bronze 5 and 10 satang were issued, along with 1-baht coins struck in an unusual alloy of copper, nickel, silver and zinc. Several Thai coins were issued for many years without changing the date. These include the tin 1942 1 satang and the 1950 5 and 10 satang, struck until 1973, the tin 1946 25 satang struck until 1964, the tin 50 satang struck until 1957, and the aluminium bronze 1957 5, 10, 25, and 50 satang struck until the 1970s. Cupronickel 1-baht coins were introduced in 1962 and struck without date change until 1982.

In 1972, cupronickel 5-baht coins were introduced, switching to cupronickel-clad copper in 1977. Between 1986 and 1988, a new coinage was introduced, consisting of aluminium 1, 5 and 10 satang, aluminium bronze 25 and 50 satang, cupronickel 1 baht, cupronickel-clad copper 5 baht and bimetallic 10 baht. Cupronickel-clad steel 2 baht were introduced in 2005.

==== Issue 6 – 1897 (transitional) ====
The old monetary system of Siam was based on a binary system that proved challenging for accounting purposes. This system initially consisted of three main units of currency: '''Chang''', '''Baht''', and '''Att'''. Under this system, there were 64 Att to 1 Baht and 80 
[[File:Administrative Division of Siamese Kingdom in 1900.jpg|thumb|Siam at the time of coin issue 6 (1897)]]
Baht to 1 Chang. Despite its widespread use, the system’s complexity made it difficult to manage and calculate.

Recognizing the inefficiencies, the Minister of Treasury proposed to King Rama V that Siam’s currency system should be decimalized. The proposal aimed to modernize the monetary system and align it with the decimal systems increasingly adopted by other countries at the time. King Rama V approved the transition to a decimal-based currency, which simplified accounting processes.

The transition to a decimal currency system faced numerous challenges even before the new coins were issued. Notably, the word "Anachak" (อาณาจักร) was initially misspelled as "อานาจักร," causing controversy. King Rama V intervened, insisting that the most accurate phrasing should be "Siam Ratcha-Anachak" (สยามราชอาณาจักร; Kingdom of Siam).

Despite the initial enthusiasm for the decimal system, the new coins struggled to gain popularity among the public. Many people were unfamiliar with the decimal system and preferred the traditional currency. Consequently, the new coins quickly faded from circulation, forcing the government to continue producing coins under the old system.

The production of coins from the old system persisted until '''RS 127 / BE 2451 / AD 1907'''. Ultimately, both pre-decimal coins and the early decimal coins were demonetized on '''May 17, RS 128 / BE 2452 / AD 1909'''. Citizens were given a grace period to exchange the demonetized coins for the new decimal currency, with the deadline set for '''May 16, RS 128 / BE 2452 / AD 1910'''.

This gradual shift is shown in the fact that coins after the transition often switched between three calendar systems, the CS (Chulasakarat) system, the RS (Rattanakosin Sok) system, the BE (Buddhist Era / Phutthasakarat) system.<ref>2½ Satang - Rama V, Thailand. Numista.com. Published 2025. Accessed January 3, 2025. <nowiki>https://en.numista.com/catalogue/pieces27448.html</nowiki>

‌</ref>
{| class="wikitable" style="width:100%; text-align: center"
! colspan="11" |Issue 6 coins (Rama V) [''The Siam Anachak Series'']<ref name=":1" />
|-
! colspan="2" |Image
! colspan="2" |Value
! rowspan="2" |Dimensions<br>(mm)
! rowspan="2" |Weight<br>(g)
! rowspan="2" |Mintage
! rowspan="2" |Composition
! colspan="2" |Inscription, description
! rowspan="2" |Date of issue
|-
!Obverse
!Reverse
!Name
!Coinage value
!Obverse
!Reverse
|-
|[[File:1897 2.5 Satang O.png|frameless|150x150px]]
|[[File:1897 2.5 Satang R.png|frameless|150x150px]]
|2.5 satang
|0.025 baht
|16 × 1.0
|2.06
|'''3.12 million'''
|Cupronickel
|'''[[Airavata|Erawan (Airavata) Portrait in Wreath]]'''
+

สยามอานาจักร<br>''(Kingdom of Siam)''<br>ศก๑๑๖ ''(RS 116)''
|สองสตางค์ครึ่ง<br>''(two and a half satang)''<br>๒ ''(2)'' ๑/๒ ''(1/2)''
|1897
|-
|[[File:1897 5 Satang O.png|frameless|150x150px]]
|[[File:1897 5 Satang R.png|frameless|150x150px]]
|5 satang
|0.05 baht
|20 × 1.0
|3.02
|'''3.81 million'''
|Cupronickel
|'''[[Airavata|Erawan (Airavata) Portrait in Wreath]]'''
+

สยามอานาจักร<br>''(Kingdom of Siam)''<br>ศก๑๑๖ ''(RS 116)''
|ห้าสตางค์<br>''(five satang)''<br>๕ ''(5)''
|1897
|-
|[[File:1897 10 Satang O.png|frameless|150x150px]]
|[[File:1897 10 Satang R.png|frameless|150x150px]]
|10 satang
|0.10 baht
|22 × 1.0
|4.00
|'''5.08 million'''
|Cupronickel
|'''[[Airavata|Erawan (Airavata) Portrait in Wreath]]'''
+

สยามอานาจักร<br>''(Kingdom of Siam)''<br>ศก๑๑๖ ''(RS 116)''
|สิบสตางค์<br>''(ten satang)''<br>๑๐ ''(10)''
|1897
|-
|[[File:1897 20 Satang O.png|frameless|150x150px]]
|[[File:1897 20 Satang R.png|frameless|150x150px]]
|20 satang
|0.20 baht
|25 × 1.5
|6.57
|'''5.08 million'''
|Cupronickel
|'''[[Airavata|Erawan (Airavata) Portrait in Wreath]]'''
+

สยามอานาจักร<br>''(Kingdom of Siam)''<br>ศก๑๑๖ ''(RS 116)''
|ยี่สิบสตางค์<br>''(twenty satang)''<br>๒๐ ''(20)''
|1897
|}

==== Issue 7, 8, 9 – 1908, 1913, 1929, 1939 ====
[[File:Administrative Division of Siamese Kingdom in 1900.jpg|thumb|297x297px|Siam at the time of coin issue 7 (1900)]]
These coins were all produced abroad, and they feature changes in year formatting and design differences over time. The coins were initially produced with the R.S. year system but transitioned to using the B.E. system from 1913 onwards.<ref>เหรียญนิกเกิล ทองแดง ตราอุณาโลม - พระแสงจักร | กรมธนารักษ์. กรมธนารักษ์ : The Treasury Department. Published 2024. Accessed December 20, 2024. <nowiki>https://www.treasury.go.th/th/coin-k6-1/</nowiki>

‌</ref> The 1 Baht

coins were replaced with banknotes starting in 1918 due to the high cost of silver. The 2 Salung and 1 Salung coins experienced changes in metal composition due to fluctuating silver prices during World War I, and these coins have slight design variations based on these changes.

During issue, there were also various debasements of the silver content of these coins. Initially, the composition was 80% silver and 20% copper. In 1918, during World War I, silver prices surged, leading to a change in the composition to 65% silver and 35% copper. In 1919, the silver percentage dropped further to 50% silver and 50% copper. After the war, in 1919, the composition returned to 65% silver and 35% copper.<ref>เหรียญเงิน พระบรมรูป - ตราไอราพต | กรมธนารักษ์. กรมธนารักษ์ : The Treasury Department. Published 2024. Accessed December 20, 2024. <nowiki>https://www.treasury.go.th/th/coin-k6-2/</nowiki>

‌</ref> In 1917, the price of silver rose and exceeded the face value of silver coins. The coins were then melted down and sold. The government solved this by changing the pure silver coin to alloy. Vajiravudh eventually forbade exports of Siamese coins. In 1918, the usage of 1-baht coins was nullified and 1-baht banknotes were introduced. Coins were recalled and kept as a national reserve.

Near the end of this issue of coins, the transition into decimal currency was completed. The Rama VII coin was produced in two denominations, 50 Satang and 25 Satang, and marked the transition from the old currency system of "สองสลึง" (two salung) and "หนึ่งสลึง" (one salung) to the new system using Satang as a unit of currency.<ref>เหรียญเงิน พระบรมรูป - ตราช้างทรงเครื่อง | กรมธนารักษ์. กรมธนารักษ์ : The Treasury Department. Published 2024. Accessed December 20, 2024. <nowiki>https://www.treasury.go.th/th/coin-k7-1/</nowiki>

‌</ref> Though, people today still refer to these denomination using the old terminology.
{| class="wikitable" style="width:100%; text-align: center"
! colspan="10" |Issue 7 coins (Rama V, VI, VII, VIII)<ref name=":1" />
|-
! colspan="2" |Image
! rowspan="2" |Value
! rowspan="2" |Dimensions<br>(mm)
! rowspan="2" |Weight<br>(g)
! rowspan="2" |Mintage
! rowspan="2" |Composition
! colspan="2" |Inscription, description
! rowspan="2" |Date of issue
|-
!Obverse
!Reverse
!Obverse
!Reverse
|-
| rowspan="2" |[[File:1908 1 Satang O.png|frameless|150x150px]]
| rowspan="2" |[[File:1908 1 Satang R.png|frameless|150x150px]]
| rowspan="2" |1 satang
| rowspan="2" |22.5 × 1
| rowspan="2" |5
|'''~ 200 million'''
| rowspan="2" |Bronze-copper-zinc
| rowspan="2" |'''[[Emblem of Thailand|Chakra]]'''
+

พ.ศ. ๒๔๗๐ ''(B.E. 2470)''
|'''[[wikihow:Unalome-Meaning|Unalom Symbol]]'''
+

สยามรัฐ ๑ สตางค์<br>''(Siamese State 1 satang)''
|1908
|-
|'''~ 23 million'''
|'''[[wikihow:Unalome-Meaning|Unalom Symbol]]'''
+

รัฐบารไทย ๑ สตางค์<br>''(Thai Government 1 satang)''
|1939
|-
|[[File:1908 5 Satang O.png|frameless|150x150px]]
|[[File:1908 5 Satang R.png|frameless|150x150px]]
|5 satang
|17.5 × 1
|2
|'''~ 100 million'''
|Nickel
|'''[[Emblem of Thailand|Chakra]]'''
+

พ.ศ. ๒๔๗๐ ''(B.E. 2470)''
|'''[[wikihow:Unalome-Meaning|Unalom Symbol]]'''
+

สยามรัฐ ๕ สตางค์<br>''(Siamese State 5 satang)''
|1908
|-
|[[File:1908 10 Satang O.png|frameless|150x150px]]
|[[File:1908 Satang R.png|frameless|150x150px]]
|10 satang
|20 × 1
|3.5
|'''~ 100 million'''
|Nickel
|'''[[Emblem of Thailand|Chakra]]'''
+

พ.ศ. ๒๔๗๐ ''(B.E. 2470)''
|'''[[wikihow:Unalome-Meaning|Unalom Symbol]]'''
+

สยามรัฐ ๑๐ สตางค์<br>''(Siamese State 10 satang)''
|1908
|-
|[[File:1908 50 Satang composite obverse.png|frameless|100x100px]]
|[[File:1908 50 Satang composite reverse.png|center|100x100px]]
|50 satang
|25 × 1
|7.68
|'''unknown'''
|Silver '''''[[Millesimal fineness|0.900]]'''''
|'''[[Chulalongkorn|Rama V's Portrait]]'''
+

สมเด็จพระปรมินทรมหาจุฬาลงกรณ์<br>''(His Majesty King Chulalongkorn)''<br>พระจุลจอมเกล้าเจ้าอยู่หัว<br>''(King Chulalongkorn)''
|'''[[Emblem of Thailand|Siamese State Seal]]'''
+

กรุงสยาม ''(Siam)''<br>รัชกาลที่๕ ''(5th Reign)''<br>๕๐ สตางค์ ''(50 satang)''
|1908
|-
|[[File:1908 1 Baht O.png|frameless|107x107px]]
''stand in image*''
|[[File:No_image_available.svg|frameless|100x100px]]
|25 satang
|20 × 1.3
|3.75
|'''unknown'''
|Silver '''''[[Millesimal fineness|0.900]]'''''
|'''[[Chulalongkorn|Rama V's Portrait]]'''
+

จุฬาลงกรณ์ สยามินทร์<br>''(Chulalongkorn, Lord of Siam)''
|'''[[Airavata|Erawan (Airavata) Portrait]]'''
+

สยามรัฐ ร.ศ.๑๒๘<br>''(Siamese State RS 128)''<br>หนึ่ง สลึง ''(1 salueng)''
|1909
|-
|[[File:1908 1 Baht O.png|frameless|150x150px]]
''stand in image*''
|[[File:No_image_available.svg|frameless|100x100px]]
|50 satang
|25.3 × 1.3
|7.5
|'''unknown'''
|Silver '''''[[Millesimal fineness|0.900]]'''''
|'''[[Chulalongkorn|Rama V's Portrait]]'''
+

จุฬาลงกรณ์ สยามินทร์<br>''(Chulalongkorn, Lord of Siam)''
|'''[[Airavata|Erawan (Airavata) Portrait]]'''
+

สยามรัฐ ร.ศ.๑๒๘<br>''(Siamese State RS 128)''<br>สอง สลึง ''(2 salueng)''
|1909
|-
|[[File:1908 1 Baht O.png|frameless|150x150px]]
|[[File:1908 1 Baht R.png|frameless|150x150px]]
|1 baht
|30 × 3
|16
|'''unknown'''
|Silver '''''[[Millesimal fineness|0.900]]'''''
|'''[[Chulalongkorn|Rama V's Portrait]]'''
+

จุฬาลงกรณ์ สยามินทร์<br>''(Chulalongkorn, Lord of Siam)''
|'''[[Airavata|Erawan (Airavata) Portrait]]'''
+

สยามรัฐ ร.ศ.๑๒๗<br>''(Siamese State RS 127)''<br>หนึ่ง บาท ''(1 baht)''
|1908
|-
! colspan="10" |Issue 8 coins (Rama VI) [''The Erawan Series'']<ref name=":1" />
|-
|[[File:1913 25 Satang O.png|frameless|150x150px]]
|[[File:1913 25 Satang R.png|frameless|150x150px]]
|25 satang
|20 × 1.3
|3.75
|'''~ 18 million'''
|Silver '''''[[Millesimal fineness|0.800]] 1915'''''
Silver '''''[[Millesimal fineness|0.650]] 1916-1918'''''

Silver '''''[[Millesimal fineness|0.500]] 1919'''''

Silver '''''[[Millesimal fineness|0.650]] 1920-1925'''''
|'''[[Vajiravudh|Rama VI's Portrait]]'''
+

วชิราวุธ สยามินทร์<br>''(Vajiravud Lord of Siam)''
|'''[[Airavata|Erawan (Airavata) Portrait]]'''
+

สยามรัฐ ๒๔๖๘ <br>''(Siamese State BE 2468)''<br>หนึ่ง สลึง ''(1 salueng)''
|1913
|-
|[[File:1913 50 Satang O.png|frameless|150x150px]]
|[[File:1913 50 Satang R.png|frameless|150x150px]]
|50 satang
|25.3 × 1.3
|7.5
|'''~ 15 million'''
|Silver '''''[[Millesimal fineness|0.800]] 1915'''''
Silver '''''[[Millesimal fineness|0.650]] 1916-1918'''''

Silver '''''[[Millesimal fineness|0.500]] 1919'''''

Silver '''''[[Millesimal fineness|0.650]] 1920-1921'''''
|'''[[Vajiravudh|Rama VI's Portrait]]'''
+

วชิราวุธ สยามินทร์<br>''(Vajiravud Lord of Siam)''
|'''[[Airavata|Erawan (Airavata) Portrait]]'''
+

สยามรัฐ ๒๔๕๘<br>''(Siamese State BE 2458)''<br>สอง สลึง ''(2 salueng)''
|1913
|-
|[[File:1913 1 Baht O.png|frameless|150x150px]]
|[[File:1913 1 Baht R.png|frameless|150x150px]]
|1 baht
|30.5 × 1
|15
|'''~ 37 million'''
|Silver '''''[[Millesimal fineness|0.900]]'''''
|'''[[Vajiravudh|Rama VI's Portrait]]'''
+

วชิราวุธ สยามินทร์<br>''(Vajiravud Lord of Siam)''
|'''[[Airavata|Erawan (Airavata) Portrait]]'''
+

สยามรัฐ ๒๔๖๐<br>''(Siamese State BE 2460)''<br>หนึ่ง บาท ''(1 baht)''
|1913
|-
! colspan="10" |Issue 9 coins (Rama VII) [''The Regalia Elephant Series'']<ref name=":1" />
|-
|[[File:1929 25 Satang O.png|frameless|150x150px]]
|[[File:1929 25 Satang R.png|frameless|150x150px]]
|25 satang
|20 × 1.3
|3.75
|'''unknown'''
|Silver '''''[[Millesimal fineness|0.650]]'''''
|'''[[Prajadhipok|Rama VII's Portrait]]'''
+

ประชาธิปก สยามินทร์<br>''(Prajadipok, Lord of Siam)''
|[[White elephant (animal)|'''Elephant in Regalia''']]
+

สยามรัฐ ๒๔๗๒<br>''(Siamese State BE 2472)''<br>หนึ่ง สลึง ''(1 salueng)''
|1929
|-
|[[File:1929 50 Satang O.png|frameless|150x150px]]
|[[File:1929 50 Satang R.png|frameless|150x150px]]
|50 satang
|25.3 × 1.3
|7.5
|'''unknown'''
|Silver '''''[[Millesimal fineness|0.650]]'''''
|'''[[Prajadhipok|Rama VII's Portrait]]'''
+

ประชาธิปก สยามินทร์<br>''(Prajadipok, Lord of Siam)''
|[[White elephant (animal)|'''Elephant in Regalia''']]
+

สยามรัฐ ๒๔๗๒<br>''(Siamese State BE 2472)''<br>สอง สลึง ''(2 salueng)''
|1929
|}

==== Issue 10 – 1937, 1941, 1942, 1945 ====
[[File:Administrative Division of Thai Kingdom in 1945.jpg|thumb|251x251px|Siam at the time of coin issue 10 (1945)]]
This series of coins is distinctive as it lacks the royal insignia and the state seal, which were commonly featured in earlier designs. This series also includes a 20 satang denomination; thus at one point the 25-satang and the 20-satang circulated at the same time.<ref>เหรียญเงิน ทองแดง ตราลายกระหนก | กรมธนารักษ์. กรมธนารักษ์ : The Treasury Department. Published 2024. Accessed December 20, 2024. <nowiki>https://www.treasury.go.th/th/coin-k8-3/</nowiki>‌</ref> The half-satang was introduced in 1937 to address the issue of low-value currency units in Thailand. The value of 1 Satang was considered too high for certain low-priced items, causing economic hardship for the poor. Previously, 1 Baht could be exchanged for 128 Solot, but after the switch to Satang, 1 Baht was only equivalent to 100 Satang. The introduction of this coin aimed to make it easier for ordinary people to purchase items without the burden of inflated prices. The coin was produced only once and was discontinued soon afterwards. It was minted in Japan and first issued on July 12, 1937.<ref>เหรียญทองแดง ครึ่งสตางค์ ตราอุณาโลม - พระแสงจักร | กรมธนารักษ์. กรมธนารักษ์ : The Treasury Department. Published 2024. Accessed December 20, 2024. <nowiki>https://www.treasury.go.th/th/coin-k8-2/</nowiki>‌</ref>

In 1942, a group of denominations switched material due to the costs of [[World War II]]: the 1-satang coin lost its hole in the middle and was made smaller.<ref>เหรียญดีบุก ตราลายกระหนก พ.ศ. 2485 | กรมธนารักษ์. กรมธนารักษ์ : The Treasury Department. Published 2024. Accessed December 20, 2024. <nowiki>https://www.treasury.go.th/th/coin-k8-4/</nowiki>‌</ref>
{| class="wikitable" style="text-align: center"
! colspan="10" |Issue 10 coins (Rama VIII) [''The Lotus Series'']<ref name=":1" />
|-
! colspan="2" |Image
! rowspan="2" |Value
! rowspan="2" |Dimensions<br>(mm)
! rowspan="2" |Weight<br>(g)
! rowspan="2" |Mintage
! rowspan="2" |Composition
! colspan="2" |Inscription, description
! rowspan="2" |Date of issue
|-
!Obverse
!Reverse
!Obverse
!Reverse
|-
|[[File:1937 0.5 Satang O.png|frameless|150x150px]]
|[[File:1937 0.5 Satang R.png|frameless|150x150px]]
|0.5 satang
|19 × 1.3
|1.8
|'''12.09 million'''
|Bronze
|'''[[Emblem of Thailand|Chakra]]'''
+
พ.ศ. ๒๔๘๐ ''(B.E. 2480)''
|'''[[wikihow:Unalome-Meaning|Unalom Symbol]]'''
+

สยามรัฐ ๑/๒ สตางค์<br>''(Siamese State 1/2 satang)''
|1937
|-
| rowspan="3" |[[File:1941 1 Satang O.png|frameless|150x150px]]
| rowspan="3" |[[File:1941 1 Satang R.png|frameless|150x150px]]
| rowspan="3" |1 satang
|22.5 × 1.3
|3.5
|'''23.37 million'''
|Bronze
| rowspan="3" |[[Nelumbo nucifera|'''Lotus Flower''']]
+<br>พ.ศ.๒๔๘๔ ''(BE 2484)''
|rowspan="2"|'''[[Kranok pattern|Kranok Pattern]]'''
+

๑ สต. ''(1 satang)''<br>รัฐบาลไทย ''(Thai Government)''
|1941
|-
| rowspan="2" |15 × 2
| rowspan="2" |1.5
|'''140 million'''
| rowspan="2" |Tin
|1942
|-
|'''11.9 million'''
|''Arabic Numeral Issue''
|1944
|-
| rowspan="3" |[[File:1941 5 Satang O.png|frameless|150x150px]]
| rowspan="3" |[[File:1941 5 Satang R.png|frameless|150x150px]]
| rowspan="3" |5 satang
|16.6 × 1.3
|1.5
|'''1.88 million'''
|Silver '''''[[Millesimal fineness|0.650]]'''''
| rowspan="3" |[[Nelumbo nucifera|'''Lotus Flower''']]
+<br>พ.ศ.๒๔๘๔ ''(BE 2484)''
| rowspan="2" |'''[[Kranok pattern|Kranok Pattern]]'''
+

๕ สต. ''(5 satang)''<br>รัฐบาลไทย ''(Thai Government)''
|1941
|-
| rowspan="2" |17.5 × 2
| rowspan="2" |3
|'''2.47 million'''
| rowspan="2" |Tin
|1942
|-
|'''3.1 million'''
|''Arabic Numeral Issue''
|1944
|-
| rowspan="3" |[[File:1941 10 Satang O.png|frameless|150x150px]]
| rowspan="3" |[[File:1941 10 Satang R.png|frameless|150x150px]]
| rowspan="3" |10 satang
|19 × 1.3
|2.5
|'''3.04 million'''
|Silver '''''[[Millesimal fineness|0.650]]'''''
| rowspan="3" |[[Nelumbo nucifera|'''Lotus Flower''']]
+<br>พ.ศ.๒๔๘๔ ''(BE 2484)''
| rowspan="2" |'''[[Kranok pattern|Kranok Pattern]]'''
+

๑๐ สต. ''(10 satang)''<br>รัฐบาลไทย ''(Thai Government)''
|1941
|-
| rowspan="2" |20 × 2
| rowspan="2" |5
|'''1.80 million'''
| rowspan="2" |Tin
|1942
|-
|'''6.59 million'''
|''Arabic Numeral Issue''
|1944
|-
| rowspan="3" |[[File:1941 20 Satang O.png|frameless|150x150px]]
| rowspan="3" |[[File:1941 20 Satang R.png|frameless|150x150px]]
| rowspan="3" |20 satang
|22 × 1.3
|3
|'''0.75 million'''
|Silver '''''[[Millesimal fineness|0.650]]'''''
| rowspan="3" |[[Nelumbo nucifera|'''Lotus Flower''']]
+<br>พ.ศ.๒๔๘๕ ''(BE 2485)''
| rowspan="2" |'''[[Kranok pattern|Kranok Pattern]]'''
+

๑๐ สต. ''(20 satang)''<br>รัฐบาลไทย ''(Thai Government)''
|1942
|-
| rowspan="2" |22 × 2
| rowspan="2" |6
| rowspan="2" |'''4.65 million'''
| rowspan="2" |Tin
|1945
|-
| colspan="2" |'''''never had a Thai numeral tin issue'''''
|}
[[File:Administrative Division of Thai Kingdom in 1950.jpg|thumb|253x253px|Siam at the time of coin issue 11 (1946)]]

==== Issue 11 – 1946 ====
This was the first series minted in the reign of King Ananda Mahidol (Rama VIII), and it marked the return of national symbols, such as the Garuda emblem, which had been used as the national seal since the Ayutthaya period. This emblem, created during

the reign of King Chulalongkorn (Rama V), became the national seal to be used permanently, avoiding the need for a new one with each reign. There are two versions of this series minted in the same year, the young portrait and the teen portrait.<ref>เหรียญดีบุก พระบรมรูป - ตราพระครุฑพ่าห์ (ทรงเจริญพระชนมพรรษา) | กรมธนารักษ์. กรมธนารักษ์ : The Treasury Department. Published 2024. Accessed December 20, 2024. <nowiki>https://www.treasury.go.th/th/coin-k8-6/</nowiki>

‌</ref>
{| class="wikitable" style="width:100%; text-align: center"
! colspan="10" |Issue 11 coins (Rama VIII) [''The Garuda Series'']<ref name=":1" />
|-
! colspan="2" |Image
! rowspan="2" |Value
! rowspan="2" |Dimensions<br>(mm)
! rowspan="2" |Weight<br>(g)
! rowspan="2" |Mintage
(young & teen issue)
! rowspan="2" |Composition
! colspan="2" |Inscription, description
! rowspan="2" |Date of issue
|-
!Obverse
!Reverse
!Obverse
!Reverse
|-
|[[File:1946 5 Satang O.png|frameless|150x150px]]
|[[File:1946 5 Satang R.png|frameless|150x150px]]
|5 satang
|15 × 1.3
|1.3
|'''28.6 million'''
|Tin
|'''[[Ananda Mahidol|Rama VIII's Portrait]]'''
+
อานันทมหิดล ''(Ananda Mahidol)''<br>รัชกาลที่ ๘ ''(8th Reign)''
|[[Emblem of Thailand|'''Garuda''']]
+
รัฐบาลไทย ''(Thai Government)''<br>๕ สต. ''(5 satang)''<br>พ.ศ.๒๔๘๙ ''(BE 2489)''
|1946
|-
|[[File:1946 10 Satang O.png|frameless|150x150px]]
|[[File:1946 10 Satang R.png|frameless|150x150px]]
|10 satang
|17.7 × 1.3
|1.8
|'''53.5 million'''
|Tin
|'''[[Ananda Mahidol|Rama VIII's Portrait]]'''
+
อานันทมหิดล ''(Ananda Mahidol)''<br>รัชกาลที่ ๘ ''(8th Reign)''
|[[Emblem of Thailand|'''Garuda''']]
+
รัฐบาลไทย ''(Thai Government)''<br>๑๐  สต. ''(10 satang)''<br>พ.ศ.๒๔๘๙ ''(BE 2489)''
|1946
|-
|[[File:1946 25 Satang O.png|frameless|150x150px]]
|[[File:1946 25 Satang R.png|frameless|150x150px]]
|25 satang
|21 × 1.5
|2.8
|'''235 million'''
|Tin
|'''[[Ananda Mahidol|Rama VIII's Portrait]]'''
+
อานันทมหิดล ''(Ananda Mahidol)''<br>รัชกาลที่ ๘ ''(8th Reign)''
|[[Emblem of Thailand|'''Garuda''']]
+
รัฐบาลไทย ''(Thai Government)''<br>๒๕ สต. ''(25 satang)''<br>พ.ศ.๒๔๘๙ ''(BE 2489)''
|1946
|-
|[[File:1946 50 Satang O.png|frameless|150x150px]]
|[[File:1946 50 Satang R.png|frameless|150x150px]]
|50 satang
|25.5 × 1.5
|5
|'''19.7 million'''
|Tin
|'''[[Ananda Mahidol|Rama VIII's Portrait]]'''
+
อานันทมหิดล ''(Ananda Mahidol)''<br>รัชกาลที่ ๘ ''(8th Reign)''
|[[Emblem of Thailand|'''Garuda''']]
+
รัฐบาลไทย ''(Thai Government)''<br>๕๐  สต. ''(50 satang)''<br>พ.ศ.๒๔๘๙ ''(BE 2489)''
|1946
|}

==== Issue 12 – 1950 ====
{| class="wikitable" style="width:100%; text-align: center"
! colspan="10" |Issue 12 coins (Rama IX) [''The State Ensign Series'']<ref name=":1" />
|-
! colspan="2" |Image
! rowspan="2" |Value
! rowspan="2" |Dimensions<br>(mm)
! rowspan="2" |Weight<br>(g)
! rowspan="2" |Mintage
! rowspan="2" |Composition
! colspan="2" |Inscription, description
! rowspan="2" |Date of issue
|-
!Obverse
!Reverse
!Obverse
!Reverse
|-
|rowspan="3"|[[File:1950 5 Satang O.png|frameless|150x150px]]
|rowspan="3"|[[File:1950 5 Satang R.png|frameless|150x150px]]
|rowspan="3"|5 satang
|rowspan="3"|15 × 1
|rowspan="3"|1.25
|'''21.8 million'''
|Aluminium bronze
|rowspan="3"|ภูมิพลอดุลยเดช ''(Bhumibol Adulyadej)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|rowspan="3"|รัฐบาลไทย  ''(Thai Government)''<br>๕ สต. ''(5 satang)''<br>พ.ศ.๒๕๐๐ ''(BE 2500)''
|1950
|-
|'''6.48 million'''
|Tin
|1950
|-
|'''46.44 million'''
|Bronze
|1957
|-
|rowspan="3"|[[File:1950 10 Satang O.png|frameless|150x150px]]
|rowspan="3"|[[File:1950 10 Satang R.png|frameless|150x150px]]
|rowspan="3"|10 satang
|rowspan="3"|17.5 × 1
|rowspan="3"|1.75
|'''17.4 million'''
|Aluminium bronze
|rowspan="3"|ภูมิพลอดุลยเดช ''(Bhumibol Adulyadej)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|rowspan="3"|รัฐบาลไทย ''(Thai Government)''<br>๑๐ สต. ''(10 satang)''<br>พ.ศ.๒๕๐๐ ''(BE 2500)''
|1950
|-
|'''13.99 million'''
|Tin
|1950
|-
|'''13.37 million'''
|Bronze
|1957
|-
|[[File:1950 25 Satang O.png|frameless|150x150px]]
|[[File:1950 25 Satang R.png|frameless|150x150px]]
|25 satang
|20 × 1
|2.5
|'''634.65 million'''
|Aluminium bronze
|ภูมิพลอดุลยเดช ''(Bhumibol Adulyadej)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|รัฐบาลไทย ''(Thai Government)''<br>๒๕ สต. ''(25 satang)''<br>พ.ศ.๒๕๐๐ ''(BE 2500)''
|1950
|-
|[[File:1950 50 Satang O.png|frameless|150x150px]]
|[[File:1950 50 Satang R.png|frameless|150x150px]]
|50 satang
|23 × 1.7
|4.5
|'''460 million'''
|Aluminium bronze
|ภูมิพลอดุลยเดช ''(Bhumibol Adulyadej)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|รัฐบาลไทย ''(Thai Government)''<br>๕๐ สต. ''(50 satang)''<br>พ.ศ.๒๕๐๐ ''(BE 2500)''
|1950
|-
|rowspan="2"|[[File:1962 1 Baht O.png|frameless|150x150px]]
|rowspan="2"|[[File:1962 1 Baht R.png|frameless|150x150px]]
|rowspan="2"|1 baht
|rowspan="2"|27 × 1.8
|7.15
|'''3.14 million'''
|Silver '''''[[Millesimal fineness|0.030]]'''''
|rowspan="2"|ภูมิพลอดุลยเดช ''(Bhumibol Adulyadej)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|rowspan="2"|รัฐบาลไทย ''(Thai Government)''<br>หนึ่ง บาท ''(1 baht)''<br>พ.ศ.๒๕๐๕ ''(BE 2505)''
|1957
|-
|7.5
|'''883 million'''
|Cupronickel
|1962
|}

==== Issue 13 – 1972 ====
{| class="wikitable" style="width:100%; text-align: center"
! colspan="10" |Issue 13 coins (Rama IX)<ref name=":1" />
|-
! colspan="2" |Image
! rowspan="2" |Value
! rowspan="2" |Dimensions<br>(mm)
! rowspan="2" |Weight<br>(g)
! rowspan="2" |Mintage
! rowspan="2" |Composition
! colspan="2" |Inscription, description
! rowspan="2" |Date of issue
|-
!Obverse
!Reverse
!Obverse
!Reverse
|-
|[[File:1972 1 Baht O.png|frameless|150x150px]]
|[[File:1972 1 Baht R.png|frameless|150x150px]]
|1&nbsp;baht
|25 × 1.8
|7
|'''248.9 million'''
|Cupronickel
|ภูมิพลอดุลยเดช ''(Bhumibol Adulyadej)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|รัฐบาลไทย ''(Thai Government)''<br>๑ บาท ''(1 baht)''<br>พ.ศ.๒๕๑๗ ''(BE 2517)''
|1972
|-
|[[File:1972 5 Baht O.png|frameless|150x150px]]
|[[File:1972 5 Baht R.png|frameless|150x150px]]
|5&nbsp;baht
|28 × 2.0
|9
|'''30 million'''
|Cupronickel
|ภูมิพลอดุลยเดช ''(Bhumibol Adulyadej)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|รัฐบาลไทย ''(Thai Government)''<br>๕ บาท ''(5 baht)''<br>พ.ศ.๒๕๑๕ ''(BE 2515)''
|1972
|}

==== Issue 14 – 1977 ====
{| class="wikitable" style="width:100%; text-align: center"
! colspan="10" |Issue 14 coins (Rama IX)<ref name=":1" />
|-
! colspan="2" |Image
! rowspan="2" |Value
! rowspan="2" |Dimensions<br>(mm)
! rowspan="2" |Weight<br>(g)
! rowspan="2" |Mintage
! rowspan="2" |Composition
! colspan="2" |Inscription, description
! rowspan="2" |Date of issue
|-
!Obverse
!Reverse
!Obverse
!Reverse
|-
|[[File:1977 25 stang obverse.png|frameless|150x150px]]
|[[File:1977 25 stang reverse.png|frameless|150x150px]]
|25 satang
|20.5 × 1.2
|2.8
|'''183 million'''
|Aluminium bronze
|ประเทศไทย ''(Thailand)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|๒๕ สตางค์ ''(25 satang)''<br>พ.ศ.๒๕๒๑ ''(BE 2521)''
|1977
|-
|[[File:1977 50 stang obverse.png|frameless|150x150px]]
|[[File:1977 50 stang reverse.png|frameless|150x150px]]
|50 satang
|23 × 1.2
|4.9
|'''122 million'''
|Aluminium bronze
|ประเทศไทย ''(Thailand)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|๕๐ สตางค์ ''(50 satang)''<br>พ.ศ.๒๕๒๓ ''(BE 2523)''
|1977
|-
|[[File:1977 1 Baht O.png|frameless|150x150px]]
|[[File:1977 1 baht reverse.png|frameless|150x150px]]
|1 baht
|25 × 1.8
|7
|'''506 million'''
|Cupronickel
|ประเทศไทย ''(Thailand)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|๑ บาท ''(1 baht)''<br>พ.ศ.๒๕๒๐ ''(BE 2520)''
|1977
|-
|[[File:1977 5 baht obverse.png|frameless|150x150px]]
|[[File:1977 5 baht reverse.png|frameless|150x150px]]
|5 baht
|30 × 2.3
|12
|'''100 million'''
|Cupronickel-clad copper
|ประเทศไทย ''(Thailand)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|๕ บาท ''(5 baht)''<br>พ.ศ.๒๕๒๒ ''(BE 2522)''
|1977
|}

==== Issue 15 – 1982 ====
{| class="wikitable" style="width:100%; text-align: center"
! colspan="10" |Issue 15 coins (Rama IX)<ref name=":1" />
|-
! colspan="2" |Image
! rowspan="2" |Value
! rowspan="2" |Dimensions<br>(mm)
! rowspan="2" |Weight<br>(g)
! rowspan="2" |Mintage
! rowspan="2" |Composition
! colspan="2" |Inscription, description
! rowspan="2" |Date of issue
|-
!Obverse
!Reverse
!Obverse
!Reverse
|-
|[[File:1982 1 baht obverse.png|frameless|150x150px]]
|[[File:1982 1 baht reverse.png|frameless|150x150px]]
|1 baht
|25 × 1.8
|7
|'''257 million'''
|Cupronickel
|ภูมิพลอดุลยเดช ''(Bhumibol Adulyadej)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|ประเทศไทย ''(Thailand)''<br>๑ บาท ''(1 baht)''<br>พ.ศ.๒๕๒๕ ''(BE 2525)''
|1982
|-
|[[File:1982 5 baht obverse.png|frameless|150x150px]]
|[[File:1982 5 baht reverse.png|frameless|150x150px]]
|5 baht
|30 × 2.3
|12
|'''26.4 million'''
|Cupronickel-clad copper
|ภูมิพลอดุลยเดช ''(Bhumibol Adulyadej)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|ประเทศไทย ''(Thailand)''<br>๕ บาท ''(5 baht)''<br>พ.ศ.๒๕๒๕ ''(BE 2525)''
|1982
|}

==== Issue 16 – 1987, 1988, 2005, 2008 ====
{| class="wikitable" style="width:100%; text-align: center"
! colspan="10" |Issue 16 coins (Rama IX)<ref name=":1" />
|-
! colspan="2" |Image
! rowspan="2" |Value
! rowspan="2" |Dimensions<br>(mm)
! rowspan="2" |Weight<br>(g)
! rowspan="2" |Mintage
! rowspan="2" |Composition
! colspan="2" |Inscription, description
! rowspan="2" |Date of issue
|-
!Obverse
!Reverse
!Obverse
!Reverse
|-
|rowspan="2"|[[File:No_image_available.svg|frameless|100x100px]]
|rowspan="2"|[[File:No_image_available.svg|frameless|100x100px]]
|rowspan="2"|25 satang
|rowspan="2"|16 × 1.35
|rowspan="2"|1.9
|'''2.082 BILLION'''
|Aluminium bronze
|rowspan="2"|ภูมิพลอดุลยเดช ''(Bhumibol Adulyadej)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|rowspan="2"|ประเทศไทย ''(Thailand)''<br>๒๕ สตางค์ 25 ''(25 satang)''<br>พ.ศ.๒๕๔๗ ''(BE 2547)''
|1987
|-
|'''2.161 BILLION'''
|Copperplated steel
|2008
|-
|rowspan="2"|[[File:No_image_available.svg|frameless|100x100px]]
|rowspan="2"|[[File:No_image_available.svg|frameless|100x100px]]
|rowspan="2"|50 satang
|rowspan="2"|18 × 1.35
|rowspan="2"|2.4
|'''1.544 BILLION'''
|Aluminium bronze
|rowspan="2"|ภูมิพลอดุลยเดช ''(Bhumibol Adulyadej)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|rowspan="2"|ประเทศไทย ''(Thailand)''<br>๕๐ สตางค์ 50 ''(50 satang)''<br>พ.ศ.๒๕๓๘ ''(BE 2538)''
|1987
|-
|'''1.453 BILLION'''
|Copperplated steel
|2008
|-
|rowspan="2"|[[File:No_image_available.svg|frameless|100x100px]]
|rowspan="2"|[[File:No_image_available.svg|frameless|100x100px]]
|rowspan="2"|1 baht
|rowspan="2"|20 × 1.5
|3.4
|'''9.116 BILLION'''
|Cupronickel
|rowspan="2"|ภูมิพลอดุลยเดช ''(Bhumibol Adulyadej)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|rowspan="2"|ประเทศไทย ''(Thailand)''<br>๑ บาท ''(1 baht)''<br>พ.ศ.๒๕๔๒ ''(BE 2542)''
|1987
|-
|3
|'''7.089 BILLION'''
|Nickelplated steel
|2008
|-
| rowspan="3" |[[File:No_image_available.svg|frameless|100x100px]]
| rowspan="3" |[[File:No_image_available.svg|frameless|100x100px]]
| rowspan="3" |2 baht
|22 × 2.8
|7.5
|unknown
|Cupronickel-clad copper
| rowspan="3" |ภูมิพลอดุลยเดช ''(Bhumibol Adulyadej)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|ประเทศไทย ''(Thailand)''<br>๒ บาท 2 ''(2 baht)''
|1985-1996
''(special circ. issues)''
|-
|21.75 × 1.8
|4.4
|399.9 million
|Nickelplated steel
|ประเทศไทย ''(Thailand)''<br>๒ บาท 2 ''(2 baht)''<br>พ.ศ.๒๕๔๙ ''(BE 2549)''
|2005
|-
|21.75 × 1.5
|4
|'''1.712 BILLION'''
|Aluminium bronze
|ประเทศไทย ''(Thailand)''<br>๒ บาท 2 ''(2 baht)''<br>พ.ศ.๒๕๕๖ ''(BE 2556)''
|2008
|-
| rowspan="3" |[[File:No_image_available.svg|frameless|100x100px]]
| rowspan="3" |[[File:No_image_available.svg|frameless|100x100px]]
|rowspan="3"|5 baht
|rowspan="2"|24 × 2.2
|rowspan="2"|7.5
|44 million
| rowspan="3" |Cupronickel-clad copper
|rowspan="3"|ภูมิพลอดุลยเดช ''(Bhumibol Adulyadej)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|ประเทศไทย ''(Thailand)''<br>๕ บาท ''(5 baht)''<br>พ.ศ.๒๕๓๐ ''(BE 2530)''
|1987
|-
|'''1.622 BILLION'''
| rowspan="2" |ประเทศไทย''(Thailand)''<br>๕ บาท ''(5 baht)''<br>พ.ศ.๒๕๓๓ ''(BE 2533)''
|1988
|-
|24 × 1.75
|6
|'''2.018 BILLION'''
|2008
|-
|rowspan="2"|[[File:No_image_available.svg|frameless|100x100px]]
|rowspan="2"|[[File:No_image_available.svg|frameless|100x100px]]
|rowspan="2"|10 baht
|rowspan="2"|26 × 2.15
|rowspan="2"|8.5
|'''1.082 BILLION'''
| rowspan="2" |Aluminium bronze (center)<br>Cupronickel (ring)
|rowspan="2"|ภูมิพลอดุลยเดช ''(Bhumibol Adulyadej)''<br>รัชกาลที่ ๙ ''(9th Reign)''
|rowspan="2"|ประเทศไทย''(Thailand)''<br>๑๐ บาท 10 ''(10 baht)''<br>พ.ศ.๒๕๔๕ ''(BE 2545)''
|1988
|-
|826.9 million
|2008
|}

=== Current coinage ===
The current coin series is the 14th issue.

In 2008, in the 13th issue, the [[Ministry of Finance (Thailand)|Ministry of Finance]] and the Royal Thai Mint announced the 2009 coin series, which included changes in materials to reduce production costs as well as an update of the image on the obverse to a more recent portrait of the king. The two-baht coin, confusingly similar in color and size to the one-baht coin, was changed from nickel-clad low-carbon steel to aluminium bronze. New two-baht coin was the first of the new series released on 3 February 2009, followed by the satang coins in April, a five-baht coin in May, a ten-baht coin in June, and a one-baht coin in July 2009.

In 2018, the Royal Thai Mint and the Ministry of Finance issued a new series of general circulation coins, featuring the same standard specifications, but feature a portrait of its current king, [[Vajiralongkorn]].

==== Issue 16 – 1987, 2009 ====
{| class="wikitable" style="margin:1em auto; font-size: 90%"
! colspan="9" |Issue 16 coins (Rama IX)
|-
! rowspan="2" |Value 
! colspan="3" |Technical parameters
! colspan="2" |Description
! rowspan="2" |Date of first minting
|-
!Diameter
!Mass
!Composition
!Obverse
!Reverse
|-{{Coin-silver-color}}
|rowspan="2"|[[One-satang coin|1 satang]]<sup>1</sup>
|rowspan="2"|15&nbsp;mm
|rowspan="2"|0.5 g
|97.5% [[Aluminium|Al]], 2.5% [[Magnesium|Mg]]
|rowspan="2"|King [[Bhumibol Adulyadej]]
|rowspan="2"|[[Wat Phra That Hariphunchai]], [[Lamphun Province|Lamphun]]
|1987
|-{{Coin-silver-color}}
|99% [[Aluminium]]
|2008
|-{{Coin-silver-color}}
|rowspan="2"|[[Five-satang coin|5 satang]]<sup>1</sup>
|16&nbsp;mm
|rowspan="2"|0.6 g
|97.5% [[Aluminium|Al]], 2.5% [[Magnesium|Mg]]
|rowspan="2"|King Bhumibol Adulyadej
|rowspan="2"|[[Phra Pathom Chedi|Wat Phra Pathom Chedi]], [[Nakhon Pathom Province|Nakhon Pathom]]
|1987
|-{{Coin-silver-color}}
|16.5&nbsp;mm
|99% [[Aluminium]]
|2008
|-{{Coin-silver-color}}
|rowspan="2"|[[Ten-satang coin|10 satang]]<sup>1</sup>
|rowspan="2"|17.5&nbsp;mm
|rowspan="2"|0.8 g
|97.5% [[Aluminium|Al]], 2.5% [[Magnesium|Mg]]
|rowspan="2"|King Bhumibol Adulyadej
|rowspan="2"|[[Phra That Choeng Chum|Wat Phra That Choeng Chum]], [[Sakon Nakhon Province|Sakon Nakhon]]
|1987
|-{{Coin-silver-color}}
|99% [[Aluminium]]
|2008
|-{{Coin-yellow-color}}
|rowspan="2" {{Coin-copper-color}}|[[Twenty-five-satang coin|25 satang]]
|16&nbsp;mm
|1.9 g
|[[Aluminium bronze]]
|King Bhumibol Adulyadej
||[[Wat Phra Mahathat]], [[Nakhon Si Thammarat Province|Nakhon Si Thammarat]]
|1987
|-{{Coin-copper-color}}
|16&nbsp;mm
|1.9 g
|[[Copper]]plated [[steel]]
|King Bhumibol Adulyadej
||[[Wat Phra Mahathat]], [[Nakhon Si Thammarat Province|Nakhon Si Thammarat]]
|2008
|-{{Coin-yellow-color}}
|rowspan="2" {{Coin-copper-color}}|[[Fifty-satang coin|50 satang]]
|18&nbsp;mm
|2.4 g
|[[Aluminium bronze]]
|King Bhumibol Adulyadej
||[[Wat Phra That Doi Suthep]], [[Chiang Mai Province|Chiang Mai]]
|1987
|-{{Coin-copper-color}}
|18&nbsp;mm
|2.4 g
|[[Copper]]plated [[steel]]
|King Bhumibol Adulyadej
|[[Wat Phra That Doi Suthep]], [[Chiang Mai Province|Chiang Mai]]
|2008
|-{{Coin-silver-color}}
| rowspan="2"|[[One-baht coin|1 baht]]
| rowspan="2"|20&nbsp;mm
|3.4 g
|[[Cupronickel]] (1987–2008)
| rowspan="2"|King Bhumibol Adulyadej
| rowspan="2"|[[Wat Phra Kaew]], [[Bangkok]]
|1987
|-{{Coin-silver-color}}
|3 g
|[[Nickel]]plated [[steel]] (2008–present)
|2008
|-{{Coin-silver-color}}
|rowspan="2" {{Coin-yellow-color}}|[[Two-baht coin|2 baht]]
|21.75&nbsp;mm
|4.4 g
|[[Nickel]]plated low-carbon [[steel]]
|King Bhumibol Adulyadej
|[[Wat Saket]], [[Bangkok]]
|2005
|-{{Coin-yellow-color}}
|21.75&nbsp;mm
|4 g
||[[Aluminium bronze]]
|King Bhumibol Adulyadej
|[[Wat Saket]], [[Bangkok]]
|2008
|-{{Coin-silver-color}}
|rowspan="2"|[[Five-baht coin|5 baht]]
|rowspan="2"|24&nbsp;mm
|7.5 g
|rowspan="2"|[[Cupronickel]]-clad [[copper]]
|rowspan="2"|King Bhumibol Adulyadej
|rowspan="2"|[[Wat Benchamabophit]], [[Bangkok]]
|1988
|-{{Coin-silver-color}}
|6 g
|2008
|-{{Coin-yellow-color}}
|rowspan="2"|[[Ten-baht coin|10 baht]]
|rowspan="2"|26&nbsp;mm
|rowspan="2"|8.5 g
|rowspan="2"|'''Center plug:''' [[Aluminium bronze]]<br>'''Outer ring:''' [[Cupronickel]]
|rowspan="2"|King Bhumibol Adulyadej
|rowspan="2"|[[Wat Arun]], [[Bangkok]]
|1988
|-{{Coin-yellow-color}}
| 2008
|}

==== Issue 17 - 2018 ====
{|class="wikitable" style="margin:1em auto; font-size: 90%"
! colspan="7" |Issue 17 coins (Rama X)
|-
! colspan="2" |Image
! rowspan="2" |Value
! rowspan="2" |Composition
! colspan="2" |Description
! rowspan="2" |Date of first minting
|-
!Obverse
!Reverse
!Obverse
!Reverse
|-{{Coin-silver-color}}
|align="center"| 
|align="center"| 
|1 satang
|Aluminum 
|King [[Vajiralongkorn]]
|Monogram of Vajiralongkorn
|2018
|-{{Coin-silver-color}}
|align="center"| 
|align="center"| 
|5 satang
|Aluminum
|King Vajiralongkorn
|Monogram of Vajiralongkorn
|2018 
|-{{Coin-silver-color}}
|align="center"| 
|align="center"| 
|10 satang
|Aluminum
|King Vajiralongkorn
|Monogram of Vajiralongkorn
|2018
|-{{Coin-copper-color}}
|align="center"| 
|align="center"| 
|25 satang
|[[Copper]]plated steel
|King Vajiralongkorn
|Monogram of Vajiralongkorn
|2018
|-{{Coin-copper-color}}
|align="center"|
|align="center"|
|50 satang
|[[Copper]]plated steel
|King Vajiralongkorn
|Monogram of Vajiralongkorn
|2018
|-{{Coin-silver-color}}
|align="center"|[[File:1 baht coin (Rama X, obverse).jpg|50px]]
|align="center"|[[File:1 baht coin (Rama X, reverse).jpg|50px]]
|1 baht
|[[Nickel]]plated steel
|King Vajiralongkorn
|Monogram of Vajiralongkorn
|2018
|-{{Coin-yellow-color}}
|align="center"|[[File:2 baht coin (Rama X, obverse).jpg|50px]]
|align="center"|[[File:2 baht coin (Rama X, reverse).jpg|50px]]
|2 baht
|[[Aluminum bronze]]
|King Vajiralongkorn
|Monogram of Vajiralongkorn
|2018
|-{{Coin-silver-color}}
|align="center"|[[File:5 baht coin (Rama X, obverse).jpg|50px]]
|align="center"|[[File:5 baht coin (Rama X, reverse).jpg|50px]]
|5 baht
|[[Cupronickel]]-clad [[copper]]
|King Vajiralongkorn
|Monogram of Vajiralongkorn
|2018
|-{{Coin-yellow-color}}
|align="center"|[[File:10 baht coin (Rama X, obverse).jpg|50px]]
|align="center"|[[File:10 baht coin (Rama X, reverse).jpg|50px]]
|10 baht
|'''Center plug:''' [[Aluminium bronze]]<br>'''Outer ring:''' [[Cupronickel]]
|King Vajiralongkorn
|Monogram of Vajiralongkorn
|2018
|}

=== Remarks ===
# The 1, 5 and 10 satang are used only internally between banks and are not in circulation.<ref>{{Cite web |url=http://www.royalthaimint.net/ewtadmin/ewt/mint_web/ewt_news.php?nid=784&filename=index |title=Current coins – Royal Thai Mint |access-date=2019-06-17 |archive-url=https://web.archive.org/web/20190625202018/http://www.royalthaimint.net/ewtadmin/ewt/mint_web/ewt_news.php?nid=784 |archive-date=2019-06-25 |url-status=dead }}</ref>
# Older coins, some of which are still in circulation, had only [[Thai numerals]], but newer designs also have [[Arabic numerals]].
# The standard-issue 10-baht coin has, at the 12 o'clock position on the reverse, raised dots corresponding to [[Braille]] cell dot 1 and dots 2-4-5, which correspond to the number 10.
# 10-baht coins are very similar to 2-[[euro coins]] in size, shape and weight, and are likewise [[Bi-metallic coins|bi-metallic]], although they are worth only about €0.25. [[Vending machine]]s not equipped with up-to-date [[Currency detector#Coin detectors|coin detectors]] might therefore [[slug (coin)|accept them as €2 coins or old Italian 500 lira coins as well]].<ref>{{cite web |url=http://coinworld.com/news/021802/news-5.asp |title=Thai bahts causing euro problems - 10-baht coins work in place of 2-euro coins in machines |first=William T. |last=Gibbs |date=Feb 11, 2002 |work=Coin World |publisher=Amos Press |archive-url=https://web.archive.org/web/20090302014633/http://coinworld.com/news/021802/news-5.asp |archive-date=March 2, 2009 |url-status=dead }}</ref>
# Many [[Commemorative coins|commemorative]] 1-, 2-, 5- and 10-baht coins have been made for special events. There also are 20-, 50-, 100-baht base metal commemorative coins and higher-denomination precious metal coins as well.{{which|date=June 2015}}<!-- In this case, these coins have to be included in the table. -->

In February 2010 the Treasury Department of Thailand stated that it has been planning a new circulation 20-baht coin.<ref>{{cite web | url=http://www.bangkokpost.com/business/economics/32096/20-baht-coins-may-substitute-banknotes | archive-url=https://web.archive.org/web/20100204202303/http://www.bangkokpost.com/business/economics/32096/20-baht-coins-may-substitute-banknotes | archive-date=4 February 2010 | title=20-baht coins may substitute banknotes }}</ref>

=== Monarch's profile ===
<gallery mode="packed" widths="200" heights="150">
File:1862 1 Baht O.png|· Rama IV ·
File:1869 1 Baht R.png|· Rama V ·
File:1876 1 Baht O.png|· Rama V ·
File:1888 1 Siao O.png|· Rama V ·
File:1908 1 Baht O.png|· Rama V ·
File:1913 1 Baht O.png|· Rama VI ·
File:1929 50 Satang O.png|· Rama VII ·
File:1946 50 Satang O.png|· Rama VIII ·
File:1962 1 Baht O.png|· Rama IX ·
File:1972 5 Baht O.png|· Rama IX ·
File:1977 5 baht obverse.png|· Rama IX ·
File:1982 5 baht obverse.png|· Rama IX ·
File:5 baht coin (Rama X, obverse).jpg|· Rama X ·
</gallery>

=== Calendar systems of Thai coinage ===
Over the course of Siamese coinage history, various calendar systems were used. The first one to be applied onto the coins was the [[Chula Sakarat|burmese calendar system or Chula Sakarat (C.S.)]], which was subsequently supplanted by the [[Thai calendar|Rattanakosin Sok]] system (R.S.) which started at the founding of the [[Rattanakosin Kingdom (1782–1932)|Rattanakosin Kingdom]]. The system in use right now is the Phuttha Sakarat system or the Buddhist calendar (B.E.)
{| class="wikitable" style="width:100%; text-align: center"
! colspan="4" |Calendar Reference Table
|-
!Burmese Calendar [[File:1876 1 Att R.png|frameless|150x150px]][-638 AD]
!Rattanakosin Calendar[[File:1908 1 Baht R.png|frameless|150x150px]][-1781 AD]
!Buddhist Calendar[[File:1977 1 baht reverse.png|frameless|150x150px]][+543 AD]
!Gregorian Calendar
|-
| -1181 CS
| -2324 RS
|'''0 BE'''
|'''-543 BCE'''
|-
|1143 CS
|'''0 RS'''
|2324 BE
|'''1781 CE'''
|-
|'''0 CS'''
| -1143 RS
|1181 BE
|'''638 CE'''
|-
|'''[[File:1876 1 Att R.png|frameless|150x150px]]'''1 att
'''1236 CS'''
|93 RS
|2417 BE
|'''1874 CE'''
|-
|1261 CS
|'''[[File:1888 1 Siao R.png|frameless|150x150px]]'''2 att (siao)
'''118 RS'''
|2442 BE
|'''1899 CE'''
|-
|1291 CS
|148 RS
|'''[[File:1929 50 Satang R.png|frameless|150x150px]]'''50 satang
'''2472 BE'''
|'''1929 CE'''
|-
|'''.....'''
|'''.....'''
|'''.....'''
|'''.....'''
|-
|1385 CS
|242 RS
|2566 BE
|2023
|-
|1386 CS
|243 RS
|2567 BE
|2024
|-
|'''1387 CS'''
|'''244 RS'''
|'''2568 BE'''
|'''2025'''
|}

== Banknotes ==
{{main|Banknotes of the Thai baht}}
In 1851, the government issued notes for {{frac|8}}, {{frac|4}}, {{frac|3|8}}, {{frac|2}} and 1 tical, followed by 3, 4, 6 and 10 tamlueng in 1853. After 1857, notes for 20 and 40 ticals were issued, also bearing their values in [[Straits dollar]]s and [[Indian rupee]]s. Undated notes were also issued before 1868 for 5, 7, 8, 12 and 15 tamlueng, and 1 chang. One at notes were issued in 1874.

In 1892, the treasury issued notes for 1, 5, 10, 40, 80, 100, 400 and 800 ticals, called "baht" in the Thai text.

On 10 September 1902, the government introduced notes which were printed by [[De La Rue|Thomas De La Rue & Company Limited, England]], during the reigns of Kings [[Chulalongkorn|Rama V]] and [[Vajiravudh|Rama VI]], denominated 5, 10, 20, 100 and 1000 ticals, still called baht in the Thai text — each denomination having many types,<ref>{{cite web
|url= http://www.bot.or.th/English/Banknotes/HistoryANdSeriesOfBanknotes/Pages/Banknote_Series01.aspx
|title= Banknotes, Series 1
|date= Feb 26, 2012
|publisher= [[Bank of Thailand]]
|quote= The design was printed only on one side; so the note was called 'Uniface banknote'. There were 7 denominations....
|access-date= November 22, 2012
|archive-date= April 4, 2016
|archive-url= https://web.archive.org/web/20160404015111/https://www.bot.or.th/English/Banknotes/HistoryAndSeriesOfBanknotes/Pages/Banknote_Series01.aspx
|url-status= dead
}}</ref> with 1 and 50 tical notes following in 1918. In 1925, notes were issued in denominations of 1, 5, 10, 20, 100 and 1,000 baht with the denomination in both Arabic and [[Thai numerals]] without English text;<ref>{{cite web
|url= http://www.bot.or.th/English/Banknotes/HistoryANdSeriesOfBanknotes/Pages/Banknote_Series02.aspx
|title= Banknotes, Series 2
|date= Feb 26, 2012
|publisher= [[Bank of Thailand]]
|quote= on the back side was the picture of the [[Royal Ploughing Ceremony]]. This type of banknote was called "Ploughing Ceremony Note".
|archive-url= https://web.archive.org/web/20120704102039/http://www.bot.or.th/English/Banknotes/HistoryANdSeriesOfBanknotes/Pages/Banknote_Series02.aspx
|archive-date= July 4, 2012
|url-status= dead
}}</ref> English speakers continued to refer to these as "ticals".<ref>{{cite journal |author= Duncan Stearn |date= 27 June – 3 July 2003 |title= Rise of state-sponsored militarism and socialism |journal= Pattaya Mail |volume= XI |issue= 26 |location= [[Pattaya]] |publisher= Pattaya Mail Publishing Co |url= http://www.pattayamail.com/517/columns.shtml#hd6 |access-date= 18 Feb 2012 |quote= "Does Japan dominate Siam?" I asked a leading Englishman in Bangkok. He laughed quietly: "Have you any Siamese money?" he asked. I drew out a five-ticul note  (about 2 dollars 50c). "Read what is printed at the foot of the note", he commanded. I read, "Thomas de la Rue and Co.,  London". With calm confidence he said: "As long as the word  'London' stands on that Siamese bill, it is not Japan but another little island which will have the larger say in the Kingdom of Siam." |archive-url= https://web.archive.org/web/20111101035856/http://www.pattayamail.com/517/columns.shtml#hd6 |archive-date= 1 November 2011 |url-status= dead }}</ref>

On 27 July 2010, the Bank of Thailand announced that the 16th-series banknotes would enter circulation in December 2010.<ref>{{cite news | title =New banknotes coming in December | url =http://www.nationmultimedia.com/home/2010/07/28/national/New-banknotes-coming-in-December-30134701.html | work =The Nation | date =2010-07-28 | access-date =2010-07-28 | quote =new Thai banknote will circulate in December 2010 | archive-url =https://web.archive.org/web/20100729014730/http://www.nationmultimedia.com/home/2010/07/28/national/New-banknotes-coming-in-December-30134701.html | archive-date =2010-07-29 | url-status =dead }}</ref><ref>{{Cite web |url=http://banknotenews.com/files/07dfceb6e55bf92b146e10839d677bdc-1202.php |title=Thailand to issue new note family in December 2010 |access-date=2010-11-03 |archive-date=2011-08-12 |archive-url=https://web.archive.org/web/20110812050937/http://banknotenews.com/files/07dfceb6e55bf92b146e10839d677bdc-1202.php |url-status=dead }}</ref> On 9 August 2012, the Bank of Thailand issued a new denomination banknote, 80 baht, to commemorate queen Sirikit's 80th birthday.<ref name="Press release No. 36">{{cite web 
|url= http://www.bot.or.th/Thai/PressAndSpeeches/Press/News2555/n3655e.pdf |archive-url=https://ghostarchive.org/archive/20221009/http://www.bot.or.th/Thai/PressAndSpeeches/Press/News2555/n3655e.pdf |archive-date=2022-10-09 |url-status=live|title=The Introduction of Two Commemorative Banknotes on the Auspicious Occasions of Her Majesty the Queen's 80th Birthday Anniversary 12 August 2012 and His Royal Highness Crown Prince Maha Vajiralongkorn's 5th Cycle Birthday Anniversary|date=3 July 2012 |website= [[Bank of Thailand]]|access-date=18 October 2012}}</ref> It was the first Thai banknote that featured [[Crane Currency#MOTION|Crane's MOTION]] security thread.

In 2017, the Bank of Thailand announced a new family of banknotes in remembrance of the late King [[Bhumibol Adulyadej]] (Rama IX). The notes are the same size and dimensions as the "Series 16" banknotes, with the front designs as before, but the back designs featuring images of the king's life in infancy, adolescence and maturity. The new family of banknotes were issued on September 20.<ref>[https://www.bot.or.th/English/Banknotes/HistoryAndSeriesOfBanknotes/Pages/comm_KingRama9_Detail.aspx Commemorative Banknote in Remembrance of His Majesty King Bhumibol Adulyadej] {{Webarchive|url=https://web.archive.org/web/20171201043435/https://www.bot.or.th/English/Banknotes/HistoryAndSeriesOfBanknotes/Pages/comm_KingRama9_Detail.aspx |date=2017-12-01 }} [[Bank of Thailand]] (www.bot.or.th). Retrieved on 2017-07-21.</ref>

In 2018, the Bank of Thailand announced a new family of banknotes featuring a portrait of the current King [[Vajiralongkorn]] (Rama X). The main colors and dimensions of the notes are the same as before, with the back designs featuring images of the Kings of Thailand from past to present. The 20, 50 and 100 baht banknotes were issued on Chakri Memorial Day, April 6, 2018. The final two denominations, 500 and 1,000 baht were issued on the anniversary of the birth of King Maha Vajiralongkorn, July 28, 2018.<ref>[https://www.bot.or.th/Thai/PressandSpeeches/Press/News2561/n1761e.pdf The Bank of Thailand Launches New Series of Thai Banknotes (Series 17)] {{Webarchive|url=https://web.archive.org/web/20180310135947/https://www.bot.or.th/Thai/PressandSpeeches/Press/News2561/n1761e.pdf |date=2018-03-10 }} [[Bank of Thailand]] (https://www.bot.or.th {{Webarchive|url=https://web.archive.org/web/20160210003215/http://www2.bot.or.th/ |date=2016-02-10 }}). Retrieved on 2018-03-09.</ref>

=== Timeline ===
<timeline>
ImageSize = width:1500 height:auto barincrement:25
PlotArea = top:10 bottom:30 right:130 left:20

AlignBars = justify

DateFormat = yyyy
Period = from:1850 till:2024
TimeAxis = orientation:horizontal
ScaleMajor = unit:year increment:10 start:1850
ScaleMinor = unit:year increment:2 start:1850

Colors =
 id:canvas value:rgb(1,1,1)
 id:r value:rgb(0.5,0,0)
 id:p value:rgb(1,0.1,0.6)
 id:o value:rgb(1,0.3,0)
 id:y value:rgb(0.9,0.7,0.1)
 id:g value:rgb(0,0.4,0)
 id:m value:rgb(0,0.8,0)
 id:b value:rgb(0.1,0.6,1)
 id:n value:rgb(0,0,0.5)
 id:rp value:rgb(0.4,0.2,0.6)
 id:v value:rgb(0.6,0,0.8)
 id:eon value:white

Backgroundcolors = canvas:canvas

BarData =
 barset:Rulers
 bar:eon

PlotData= skip
 bar:eon color:eon

 width:20 align:left fontsize:10 shift:(5,-3) anchor:till
 barset:Rulers

 from:1853 till: 1902 color:r text:"[[Thai baht#1851–1868, Rama IV era banknotes|Mai Series]]"
 from:1856 till: 1902 color:r text:"[[Thai baht#1851–1868, Rama IV era banknotes|Bai Phraratchathan Ngoentra Series]]"
 from:1892 till: 1902 color:r text:"[[Thai baht#Royal Treasury banknotes|Royal Treasury Series]]"
 from:1889 till: 1902 color:r text:"[[Thai baht#Hong Kong and Shanghai Banking Corporation (HSBC) banknotes|Hong Kong and Shanghai Banking Corporation Series]]"
 from:1884 till: 1902 color:r text:"[[Thai baht#Chartered Bank of India, Australia, and China banknotes|Chartered Bank of India, Australia, and China Series]]"
 from:1886 till: 1902 color:r text:"[[Thai baht#Banque de L'Indo-Chine banknotes|Banque de L'Indo-Chine Banknotes Series]]"

 from:1902 till: 1925 color:b text:"[[Thai baht#Series 1|Series 1]]"
 from:1925 till: 1934 color:b text:"[[Thai baht#Series 2|Series 2]]"
 from:1934 till: 1937 color:b text:"[[Thai baht#Series 3 Type 1|Series 3-1]]"
 from:1935 till: 1937 color:b text:"[[Thai baht#Series 3 Type 2|Series 3-2]]"
 from:1937 till: 1942 color:b text:"[[Thai baht#Series 4 Type 1|Series 4-1]]"
 from:1942 till: 1942 color:b text:"[[Thai baht#Series 4 Type 2|Series 4-2]]"
 from:1942 till: 1945 color:b text:"[[Thai baht#Series 5|Series 5]]"
 from:1945 till: 1945 color:b text:"[[Thai baht#Series 6|Series 6]]"
 from:1945 till: 1945 color:b text:"[[Thai baht#Series 7|Series 7]]"
 from:1945 till: 1948 color:b text:"[[Thai baht#Series 8|Series 8]]"
 from:1948 till: 1968 color:b text:"[[Thai baht#Series 9|Series 9-1]]"
 from:1955 till: 1968 color:b text:"[[Thai baht#Series 9|Series 9-2]]"
 from:1968 till: 1969 color:b text:"[[Thai baht#Series 10|Series 10]]"
 from:1969 till: 1978 color:b text:"[[Thai baht#Series 11|Series 11]]"
 from:1978 till: 2003 color:b text:"[[Thai baht#Series 12 and 13|Series 12]]"
 from:1985 till: 2003 color:b text:"[[Thai baht#Series 12 and 13|Series 13]]"
 from:1994 till: 2024 color:b text:"[[Thai baht#Series 14|Series 14]]"
 from:2003 till: 2024 color:b text:"[[Thai baht#Series 15|Series 15]]"
 from:2013 till: 2024 color:b text:"[[Thai baht#Series 16|Series 16-1]]"
 from:2017 till: 2024 color:b text:"[[Thai baht#Series 16|Series 16-2]]"
 from:2018 till: 2024 color:b text:"[[Thai baht#Series 17|Series 17]]"

 barset:skip
</timeline>

=== Predecimal banknotes ===
The characteristic of the banknotes of this era was that there were no series issued at the same time, rather they were issued sporadically and had multiple banks producing their own banknotes.

==== 1851–1868, Rama IV era banknotes ====
{| class="wikitable" style="width:100%; text-align: center"
|+
!Image
!Value
!Written text
!Value in baht
!Issuing body
!Date of issue
|-
|[[File:1 Fuang Mai.jpg|frameless]]
|1 fueang
|'''เฟื้องหนึ่ง'''<br>方壹<br>''Octava pars ticalis''<br>One eights of Tical
|1/8
|Royal Printing Works, Royal Palace of Siam
|1853
|-
|[[File:1 Saleung Mai.jpg|frameless]]
|1 salueng
|'''สลึงหนึ่ง'''<br>銭壹<br>''Quartia pars ticalis''<br>One quarter of Tical
|1/4
|Royal Printing Works, Royal Palace of Siam
|1853
|-
| [[File:1 Saleung 1 Feuang Mai.png|center|frameless]]<!-- Do NOT change the spelling of the image file! -->
|1 salueng 1 fueang 
|'''สลึงเฟื้อง'''<br>方銭壹<br>''Tres octava partes ticalis''<br>Three eights of Tical
|3/8
|Royal Printing Works, Royal Palace of Siam
|1853
|-
|[[File:2 Saleung Mai.png|frameless]]
|2 salueng
|'''สองสลึง'''<br>銭貳<br>''Media pars ticalis''<br>One half of Tical
|1/2
|Royal Printing Works, Royal Palace of Siam
|1853
|-
|[[File:2 Saleung 1 Feuang Mai.png|frameless]]
|2 salueng 1 fueang 
|'''สองสลึงเฟื้อง'''<br>方銭貳<br>''Quinque octava partes ticalis''<br>Five eights of Tical
|5/8
|Royal Printing Works, Royal Palace of Siam
|1853
|-
|[[File:3 Saleung Mai.png|frameless]]
|3 salueng 
|'''สามสลึง'''<br>銭參<br>''Tres partes ticalis''<br>Three quarter of Tical
|3/4
|Royal Printing Works, Royal Palace of Siam
|1853
|-
|[[File:3 Saleung 1 Feuang Mai.png|frameless]]
|3 salueng 1 fueang 
|'''สามสลึงเฟื้อง'''<br>方銭參<br>''Septem octava partes ticalis''<br>Seven eights of Tical
|7/8
|Royal Printing Works, Royal Palace of Siam
|1853
|-
|[[File:1 Baht Mai.png|frameless]]
|1 baht
|'''บาทหนึ่ง'''<br>圓壹<br>''Unus ticalis''<br>One Tical
|1
|Royal Printing Works, Royal Palace of Siam
|1853
|-
|[[File:2 Tamleung Note.png|frameless]]
|2 tamlueng
|พระราชทานเงินตรา '''สองตำงลึง'''
|8
|Royal Printing Works, Royal Palace of Siam
|1856
|-
|[[File:3 Tamleung Note.png|frameless]]
|3 tamlueng
|พระราชทานเงินตรา '''สามตำงลึง'''
|12
|Royal Printing Works, Royal Palace of Siam
|1853; 1856
|-
|[[File:4 Tamleung Note.jpg|frameless]]
|4 tamlueng 
|พระราชทานเงินตรา '''สี่ตำงลึง'''
|16
|Royal Printing Works, Royal Palace of Siam
|1853; 1856
|-
|[[File:5 Tamleung Note.png|frameless]]
|5 tamlueng
|พระราชทานเงินตรา '''ห้าตำงลึง'''
|20
|Royal Printing Works, Royal Palace of Siam
|1853; 1856
|-
|[[File:6 Tamleung Note.png|frameless]]
|6 tamlueng
|พระราชทานเงินตรา '''หกตำงลึง'''
|24
|Royal Printing Works, Royal Palace of Siam
|1856
|-
|[[File:7 Tamleung Note.png|frameless]]
|7 tamlueng 
|พระราชทานเงินตรา '''เจ็ดตำงลึง'''
|28
|Royal Printing Works, Royal Palace of Siam
|1856
|-
|[[File:8 Tamleung Note.png|frameless]]
|8 tamlueng 
|พระราชทานเงินตรา '''แปดตำงลึง'''
|32
|Royal Printing Works, Royal Palace of Siam
|1856
|-
|[[File:10 Temleung Note.jpg|frameless]]
|10 tamlueng
|พระราชทานเงินตรา '''สิบตำงลึง'''
|40
|Royal Printing Works, Royal Palace of Siam
|1853; 1856
|-
|[[File:12 Tamleung Note.png|frameless]]
|12 tamlueng
|พระราชทานเงินตรา '''สิบสองตำงลึง'''
|48
|Royal Printing Works, Royal Palace of Siam
|1856
|-
|[[File:15 Tamleung Note.jpg|frameless]]
|15 tamlueng
|พระราชทานเงินตรา '''สิบห้าตำงลึง'''
|60
|Royal Printing Works, Royal Palace of Siam
|1856
|-
|[[File:1 Chang Note.jpg|frameless]]
|1 chang 
|พระราชทานเงินตรา '''ชั่งหนึ่ง'''
|80
|Royal Printing Works, Royal Palace of Siam
|1853; 1856
|-
|[[File:1 Chang 5 Tamleung Note.png|frameless]]
|1 chang 5 tamlueng
|พระราชทานเงินตรา '''ชั่งห้าตำงลึง'''
|100
|Royal Printing Works, Royal Palace of Siam
|1856
|-
|[[File:1 Chang 10 Tamleung Note.jpg|frameless]]
|1 chang 10 tamlueng
|พระราชทานเงินตรา '''ชั่งสิบตำงลึง'''
|140
|Royal Printing Works, Royal Palace of Siam
|1856
|}

==== 1868–1902, Rama V era banknotes ====
===== Royal Treasury banknotes =====
{| class="wikitable" style="width:100%; text-align: center"
!Image
!Value
!Date of issue
|-
|[[File:1 Att Note.jpg|frameless]]
|1 at
|1874
|-
|[[File:Ngeon Kradad Luang 1 Baht.jpg|frameless]]
|1 tical
|rowspan="8"|1892
|-
|[[File:Ngeon Kradad Luang 5 Baht.jpg|frameless]]
|5 tical
|-
|[[File:Ngeon Kradad Luang 10 Baht.jpg|frameless]]
|10 tical
|-
|[[File:Ngeon Kradad Luang 40 Baht.jpg|frameless]]
|40 tical
|-
|[[File:Ngeon Kradad Luang 80 Baht.jpg|frameless]]
|80 tical
|-
|[[File:Ngeon Kradad Luang 100 Baht.jpg|frameless]]
|100 tical
|-
|[[File:Ngeon Kradad Luang 400 Baht.jpg|frameless]]
|400 tical
|-
|[[File:Ngeon Kradad Luang 800 Baht.jpg|frameless]]
|800 tical
|}

===== Hong Kong and Shanghai Banking Corporation (HSBC) banknotes =====
{| class="wikitable" style="width:100%; text-align: center"
!Image
!Value
!Date of issue
|-
|[[File:HSBC 1 Tical.png|frameless]]
|1 tical
|rowspan="7"|1889
|-
|[[File:HSBC 5 Tical.png|frameless]]
|5 tical
|-
|[[File:No image available.svg|frameless|100x100px]]
|10 tical
|-
|[[File:No image available.svg|frameless|100x100px]]
|40 tical
|-
|[[File:No image available.svg|frameless|100x100px]]
|80 tical
|-
|[[File:No image available.svg|frameless|100x100px]]
|100 tical
|-
|[[File:HSBC 400 Tical.png|frameless]]
|400 tical
|}

===== Chartered Bank of India, Australia, and China banknotes =====
{| class="wikitable" style="width:100%; text-align: center"
!Image
!Value
!Date of issue
|-
|[[File:CBIAC 1 Tical.png|frameless]]
|5 tical
|rowspan="6"|1984
|-
|[[File:CBIAC 5 Tical.png|frameless]]
|10 tical
|-
|[[File:No image available.svg|frameless|100x100px]]
|40 tical
|-
|[[File:CBIAC 80 Tical.png|frameless]]
|80 tical
|-
|[[File:No image available.svg|frameless|100x100px]]
|100 tical
|-
|[[File:No image available.svg|frameless|100x100px]]
|400 tical
|}

===== Banque de L'Indo-Chine banknotes =====
{| class="wikitable" style="width:100%; text-align: center"
!Image
!Value
!Date of issue
|-
|[[File:BIC 5 Tical.png|frameless]]
|5 tical
|rowspan="4"|1986
|-
|[[File:BIC 20 Tical.png|frameless]]
|20 tical
|-
|[[File:BIC 80 Tical.png|frameless]]
|80 tical
|-
|[[File:BIC 100 Tical.png|frameless]]
|100 tical
|}

=== Decimal banknotes ===
==== 1902–1925 (Series 1), Rama V and Rama VI era ====
<gallery widths="300" heights="200">
File:Series 1 Banknote Siam.jpg|'''Series 1'''
</gallery>

===== Series 1 =====
Series 1 was chosen due to the series which precedes this were non-decimal. Series 1 banknotes was the first series to be produced by Thomas De La Rue & Company Limited. In 1900, Charles James Rivett Carnac, a Royal Treasury Ministry advisor proposed that the Siamese baht followed the issuances of banknotes followed the British standard. The banknote department was established quickly thereafter. The main characteristic of this series was that the notes were one-sided and multilingual, containing [[Chinese character|Chinese]], [[Malay language|Malay]] (in [[Jawi script]]), and [[Latin script|Latin]] scripts.<ref>{{Cite web |title=1st Series Thai Banknotes |url=http://www.siambanknote.com/banknote-appraisal/1st-series-thaibanknote-price.htm |access-date=2023-09-11 |website=www.siambanknote.com}}</ref> It was also the last series to use the term "tical" to refer to the Thai baht and the largest in term of size of the circulated notes.
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
! colspan="8" |Series 1 banknotes (Rama V, VI) ''<u>issued for 26 years</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|[http://www.siambanknote.com/banknote-appraisal/1st-series-1baht-thaibanknote-price.htm 1 tical]||165 × 105&nbsp;mm||Cyan
|none 
|blank||1918–1925
|-
|[http://www.siambanknote.com/banknote-appraisal/1st-series-5baht-thaibanknote-price.htm 5 ticals]||165 × 105&nbsp;mm||Grey
|none 
|blank||1902–1925
|-
|[http://www.siambanknote.com/banknote-appraisal/1st-series-10baht-thaibanknote-price.htm 10 ticals]||205 × 126&nbsp;mm||Brown
|none
|blank||1902–1925
|-
|[http://www.siambanknote.com/banknote-appraisal/1st-series-20baht-thaibanknote-price.htm 20 ticals]||205 × 126&nbsp;mm||Green
|none
|blank||1902–1925
|-
|[http://www.siambanknote.com/banknote-appraisal/1st-series-50baht-thaibanknote-price.htm 50 ticals]||165 × 105&nbsp;mm||Grey
|none
|blank||1918–1925
|-
|[http://www.siambanknote.com/banknote-appraisal/1st-series-100baht-thaibanknote-price.htm 100 ticals]||205 × 126&nbsp;mm||Grey
|none
|blank||1903–1928
|-
|[http://www.siambanknote.com/banknote-appraisal/1st-series-1000baht-thaibanknote-price.htm 1000 ticals]||205 × 126&nbsp;mm||Red
|none
|blank||1902–1928
|}

==== 1925–1935 (Series 2 to Series 3 Type 1), Rama VII era ====
<gallery widths="250" heights="200">
File:Series 2 Banknote Siam.jpg|'''Series 2'''
File:Series 3i Banknote Siam.jpg|'''Series 3 Type 1'''
</gallery>

===== Series 2 =====
Series 2 banknotes were produced by Thomas De La Rue & Company Limited. 
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
! colspan="8" |Series 2 banknotes (Rama VII) ''<u>issued for 9 years</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|[http://www.siambanknote.com/banknote-appraisal/2nd-series-1bahtType1-thaibanknote-price.htm 1 baht]||135 × 75&nbsp;mm||Blue and yellow
|none 
|Royal Ploughing Ceremony||1925–1934
|-
|[http://www.siambanknote.com/banknote-appraisal/2nd-series-5bahtType1-thaibanknote-price.htm 5 baht]||155 × 85&nbsp;mm||Green and grey
|none 
|Royal Ploughing Ceremony||1925–1934
|-
|[http://www.siambanknote.com/banknote-appraisal/2nd-series-10bahtType1-thaibanknote-price.htm 10 baht]||175 × 95&nbsp;mm||Red
|none
|Royal Ploughing Ceremony||1925-1934
|-
|[http://www.siambanknote.com/banknote-appraisal/2nd-series-20bahtType1-thaibanknote-price.htm 20 baht]||175 × 95&nbsp;mm||Green
|none
|Royal Ploughing Ceremony||1925–1934
|-
|[http://www.siambanknote.com/banknote-appraisal/2nd-series-100bahtType1-thaibanknote-price.htm 100 baht]||175 × 95&nbsp;mm||Blue and green
|none
|Royal Ploughing Ceremony||1928–1934
|-
|[http://www.siambanknote.com/banknote-appraisal/2nd-series-1000bahtType1-thaibanknote-price.htm 1000 baht]||195 × 105&nbsp;mm||Red
|none
|Royal Ploughing Ceremony||1928–1934
|}

===== Series 3 Type 1 =====
Series 3 type 1 banknotes were produced by Thomas De La Rue & Company Limited. This series was actually delayed due to the [[Siamese revolution of 1932|Siamese revolution]] to abolish the absolute monarchy and transform it into a constitutional monarchy. The issuance was supposed to happen in the early 1930s.
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
! colspan="8" |Series 3 Type 1 banknotes (Rama VII) ''<u>issued for 1 years</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|[http://www.siambanknote.com/banknote-appraisal/3th-series-1bahtType1-thaibanknote-price.htm 1 baht]||135 × 75&nbsp;mm||Green
|King [[Prajadhipok]] and ''Suphannahongse'' Royal Barge 
|Phra Samut Chedi Temple||1934–1935
|-
|[http://www.siambanknote.com/banknote-appraisal/3th-series-5bahtType1-thaibanknote-price.htm 5 baht]||155 × 85&nbsp;mm||Green and grey
|King [[Prajadhipok]] and Temple of the Emerald Buddha 
|Phra Samut Chedi Temple||1934–1935
|-
|[http://www.siambanknote.com/banknote-appraisal/3th-series-10bahtType1-thaibanknote-price.htm 10 baht]||175 × 95&nbsp;mm||Brown
|King [[Prajadhipok]] and a scene of the Mae Ping River
|Phra Samut Chedi Temple||1934–1935
|-
|[http://www.siambanknote.com/banknote-appraisal/3th-series-20bahtType1-thaibanknote-price.htm 20 baht]||175 × 95&nbsp;mm||Green
|King [[Prajadhipok]] and a scene of a riverside community
|Phra Samut Chedi Temple||1934–1935
|}

==== 1935–1948 (Series 3 Type 2 to Series 8), Rama VIII era ====
<gallery widths="240" heights="200">
File:Series 3ii Banknote Siam.jpg|'''Series 3 Type 2'''
File:Series 4i Banknote Siam.jpg|'''Series 4 Type 1'''
File:Series 4ii Banknote Siam.jpg|'''Series 4 Type 2'''
File:Series 5 Banknote Siam.jpg|'''Series 5'''
File:Series 6 Banknote Siam.jpg|'''Series 6'''
File:Series 7 Banknote Siam.png|'''Series 7'''
File:Series 8 Banknote Siam.png|'''Series 8'''
</gallery>

===== Series 3 Type 2 =====
Series 3 type 2 banknotes were produced by Thomas De La Rue & Company Limited. It was the first series to hold King [[Ananda Mahidol|Rama VIII]]'s portrait, which replaced King [[Prajadhipok|Rama VII]]'s portrait in the type 1.
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
! colspan="8" |Series 3 Type 2 banknotes (Rama VIII) ''<u>issued for 2 years</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|[http://www.siambanknote.com/banknote-appraisal/3th-series-1bahtType2-thaibanknote-price.htm 1 baht]||135 × 75&nbsp;mm||Green
|Young King [[Ananda Mahidol]] and ''Suphannahongse'' Royal Barge 
|Phra Samut Chedi Temple||1935–1937
|-
|[http://www.siambanknote.com/banknote-appraisal/3th-series-5bahtType2-thaibanknote-price.htm 5 baht]||155 × 85&nbsp;mm||Green and grey
|Young King [[Ananda Mahidol]] and Temple of the Emerald Buddha 
|Phra Samut Chedi Temple||1935–1937
|-
|[http://www.siambanknote.com/banknote-appraisal/3th-series-10bahtType2-thaibanknote-price.htm 10 baht]||175 × 95&nbsp;mm||Brown
|Young King [[Ananda Mahidol]] and a scene of the Mae Ping River
|Phra Samut Chedi Temple||1935–1937
|-
|[http://www.siambanknote.com/banknote-appraisal/3th-series-20bahtType2-thaibanknote-price.htm 20 baht]||175 × 95&nbsp;mm||Green
|Young King [[Ananda Mahidol]] and a scene of a riverside community
|Phra Samut Chedi Temple||1935–1937
|}

===== Series 4 Type 1 =====
Series 4 type 1 banknotes were produced by Thomas De La Rue & Company Limited. 
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
! colspan="8" |Series 4 Type 1 banknotes (Rama VIII) ''<u>issued for 5 years</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|[http://www.siambanknote.com/banknote-appraisal/4th-series-1baht-thaibanknote-price.htm 1 baht]||125 × 65&nbsp;mm||Green
|Young King [[Ananda Mahidol]] and Phra Samut Chedi 
|[[Ananta Samakhom Throne Hall]]||1937–1942
|-
|[http://www.siambanknote.com/banknote-appraisal/4th-series-5baht-thaibanknote-price.htm 5 baht]||135 × 76&nbsp;mm||Green and grey
|Young King [[Ananda Mahidol]] and Phra Pathom Chedi 
|[[Ananta Samakhom Throne Hall]]||1937–1942
|-
|[http://www.siambanknote.com/banknote-appraisal/4th-series-10baht-thaibanknote-price.htm 10 baht]||145 × 87&nbsp;mm||Brown
|Young King [[Ananda Mahidol]] and Mahakarn Fortress
|[[Ananta Samakhom Throne Hall]]||1937–1942
|-
|[http://www.siambanknote.com/banknote-appraisal/4th-series-20baht-thaibanknote-price.htm 20 baht]||145 × 87&nbsp;mm||Green
|Young King [[Ananda Mahidol]] and Golden Mountain Stupa
|[[Ananta Samakhom Throne Hall]]||1937–1942
|-
|[http://www.siambanknote.com/banknote-appraisal/4th-series-1000baht-thaibanknote-price.htm 1000 baht]||195 × 100&nbsp;mm||Red
|Young King [[Ananda Mahidol]] and a Dusidabhirom Pavilion
|[[Ananta Samakhom Throne Hall]]||1937–1942
|}

===== Series 4 Type 2 =====
Series 4 type 2 banknotes were produced by Royal Thai Survey Department and the Naval Hydrographic Department. During [[World War II]], Thailand was allied with the [[Empire of Japan]]. This meant that the government of Thailand could not order banknotes from Thomas De La Rue & Company Limited. 
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
! colspan="8" |Series Type II banknotes (Rama VIII) ''<u>issued for <1 years</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|[http://www.siambanknote.com/banknote-appraisal/4th-series-1baht-thaibanknote-price.htm 1 baht]||125 × 65&nbsp;mm||Green
|Young King [[Ananda Mahidol]] and Phra Samut Chedi 
|[[Ananta Samakhom Throne Hall]]||1942
|-
|[http://www.siambanknote.com/banknote-appraisal/4th-series-10baht-thaibanknote-price.htm 10 baht]||146 × 86&nbsp;mm||Brown
|Young King [[Ananda Mahidol]] and Mahakarn Fortress
|[[Ananta Samakhom Throne Hall]]||1942
|-
|[http://www.siambanknote.com/banknote-appraisal/4th-series-20baht-thaibanknote-price.htm 20 baht]||146 × 86&nbsp;mm||Green
|Young King [[Ananda Mahidol]] and Grand Palace
|[[Ananta Samakhom Throne Hall]]||1942
|-
|[http://www.siambanknote.com/banknote-appraisal/4th-series-100baht-thaibanknote-price.htm 100 baht]||125 × 65&nbsp;mm||Cyan
|Young King [[Ananda Mahidol]] and a Wat Arun
|[[Ananta Samakhom Throne Hall]]||1942
|}

===== Series 5 =====
Series 5 banknotes were produced by Notes Printing Works of Japan.
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
! colspan="8" |Series 5 banknotes (Rama VIII) ''<u>issued for 3 years</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|[http://www.siambanknote.com/banknote-appraisal/5th-series-50satang-Type1-thaibanknote-price.htm 50 satang]||117 × 63&nbsp;mm||Green
|Young King [[Ananda Mahidol]]
|Grand Palace||1942–1945
|-
|[http://www.siambanknote.com/banknote-appraisal/5th-series-1baht-thaibanknote-price.htm 1 baht]||125 × 65&nbsp;mm||Grey
|Young King [[Ananda Mahidol]] and Pumin Temple 
|Grand Palace||1942–1945
|-
|[http://www.siambanknote.com/banknote-appraisal/5th-series-5baht-thaibanknote-price.htm 5 baht]||135 × 75&nbsp;mm||Green
|Young King [[Ananda Mahidol]] and  Wat Benchamabophit Dusitwanaram
|Grand Palace||1942–1945
|-
|[http://www.siambanknote.com/banknote-appraisal/5th-series-10baht-thaibanknote-price.htm 10 baht]||145 × 85&nbsp;mm||Green
|Young King [[Ananda Mahidol]] and Wat Pho
|Grand Palace||1942-1945
|-
|[http://www.siambanknote.com/banknote-appraisal/5th-series-20baht-thaibanknote-price.htm 20 baht]||155 × 90&nbsp;mm||Green
|Young King [[Ananda Mahidol]] and Aisawan Tipaya-ast Pavilion
|Grand Palace||1942–1945
|-
|[http://www.siambanknote.com/banknote-appraisal/5th-series-100baht-thaibanknote-price.htm 100 baht]||175 × 100&nbsp;mm||Red
|Young King [[Ananda Mahidol]] and Wat Arun
|Grand Palace||1942–1945
|-
|[http://www.siambanknote.com/banknote-appraisal/5th-series-1000baht-thaibanknote-price.htm 1000 baht]||175 × 100&nbsp;mm||Green
|Young King [[Ananda Mahidol]] and Grand Palace
|Grand Palace||1942–1945
|}

===== Series 6 =====
Series 6 banknotes were produced by Royal Thai Survey Department.
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
! colspan="8" |Series 6 banknotes (Rama VIII) ''<u>issued for <1 years</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|[http://www.siambanknote.com/banknote-appraisal/6th-series-20baht-type1-thaibanknote-price.htm 20 baht]||147 × 87&nbsp;mm||Green
|Young King [[Ananda Mahidol]] and Dusidapirom Pavilion
|[[Ananta Samakhom Throne Hall]]||1945
|-
|[http://www.siambanknote.com/banknote-appraisal/6th-series-100baht-type1-thaibanknote-price.htm 100 baht]||147 × 87&nbsp;mm||Green
|Young King [[Ananda Mahidol]] and Wat Arun 
|[[Ananta Samakhom Throne Hall]]||1945
|}

===== Series 7 =====
Series 7 banknotes relied on private printing under the supervision of the Bank of Thailand. According to the Bank of Thailand, the quality of this series was barely satisfactory.
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
! colspan="8" |Series 7 banknotes (Rama VIII) ''<u>issued for <1 years</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|[http://www.siambanknote.com/banknote-appraisal/7th-series-1baht-thaibanknote-price.htm 1 baht]||104 × 54&nbsp;mm||Cyan
|King [[Ananda Mahidol]] and Phra Samut Chedi
|[[Ananta Samakhom Throne Hall]]||1945
|-
|[http://www.siambanknote.com/banknote-appraisal/7th-series-5baht-type1-thaibanknote-price.htm 5 baht]||135 × 76&nbsp;mm||Purple
|King [[Ananda Mahidol]] and Phra Patom Chedi 
|[[Ananta Samakhom Throne Hall]]||1945
|-
|[http://www.siambanknote.com/banknote-appraisal/7th-series-10baht-type1-thaibanknote-price.htm 10 baht]||135 × 76&nbsp;mm||Green
|King [[Ananda Mahidol]] and Mahakarn Fortress
|[[Ananta Samakhom Throne Hall]]||1945
|-
|[http://www.siambanknote.com/banknote-appraisal/7th-series-50baht-type1-thaibanknote-price.htm 50 baht]||104 × 54&nbsp;mm||Red
|King [[Ananda Mahidol]] and Wat Benchamabophit Dusitwanaram
|[[Ananta Samakhom Throne Hall]]||1945
|}

===== Special series =====
The special series were banknotes that were issued during World War II, each at different times.
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
! colspan="8" |Special series banknotes (Rama VIII) ''<u>issued for <1 years</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|[http://www.siambanknote.com/banknote-appraisal/special-series-50satang-thaibanknote-price.htm 50 satang (overprint)]||145 × 85&nbsp;mm||Grey
|Young King [[Ananda Mahidol]] and Wat Pho
|Grand Palace||1946
|-
|[http://www.siambanknote.com/banknote-appraisal/special-series-50baht-type1-thaibanknote-price.htm 50 satang (Kong Tek Note)]||125 × 65&nbsp;mm||Grey and yellow
|none
|[[Ananta Samakhom Throne Hall]]||1946
|-
|[http://www.siambanknote.com/banknote-appraisal/special-series-1baht-thaibanknote-price.htm 1 baht (Kong Tek Note)]||117 × 63&nbsp;mm||Grey and eed
|King [[Ananda Mahidol]] and a 16-pointed star symbol 
|[[Ananta Samakhom Throne Hall]]||1942
|-
|[http://www.siambanknote.com/banknote-appraisal/special-series-1bahtinvasion-thaibanknote-price.htm 1 baht (Invasion Note)]||114 × 73&nbsp;mm||Grey
|none
|none||1946
|-
|[http://www.siambanknote.com/banknote-appraisal/special-series-1000baht-type1-thaibanknote-price.htm 1000 baht]||104 × 54&nbsp;mm||Red
|King [[Ananda Mahidol]] and Phra Prang Sam Yod
|[[Ananta Samakhom Throne Hall]]||1943
|}

===== Series 8 =====
At the end of World War II, Thomas De La Rue & Company Limited's printing house suffered damage from German bombing, thus the Royal Thai Government turned to the [[United States]] government to produce the series 8. The Tudor Press Company produced this series.
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
! colspan="8" |Series 8 banknotes (Rama VIII) ''<u>issued for 3 years</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|[http://www.siambanknote.com/banknote-appraisal/8th-series-1baht-Thaibanknote-price.htm 1 baht]||110 × 66&nbsp;mm||Green
|King [[Ananda Mahidol]] and Phra Patom Chedi 
|The [[Constitution of Thailand|Constitution of Siam]]||1945–1948
|-
|[http://www.siambanknote.com/banknote-appraisal/8th-series-5baht-Thaibanknote-price.htm 5 baht]||110 × 66&nbsp;mm||Blue
|King [[Ananda Mahidol]] and Phra Patom Chedi
|The [[Constitution of Thailand|Constitution of Siam]]||1945–1948
|-
|[http://www.siambanknote.com/banknote-appraisal/8th-series-10baht-Thaibanknote-price.htm 10 baht]||110 × 66&nbsp;mm||Brown
|King [[Ananda Mahidol]] and Phra Patom Chedi
|The [[Constitution of Thailand|Constitution of Siam]]||1945–1948
|-
|[http://www.siambanknote.com/banknote-appraisal/8th-series-20baht-Thaibanknote-price.htm 20 baht]||156 × 90&nbsp;mm||Violet
|King [[Ananda Mahidol]] and Phra Patom Chedi
|The [[Constitution of Thailand|Constitution of Siam]]||1945–1948
|-
|[http://www.siambanknote.com/banknote-appraisal/8th-series-100baht-Thaibanknote-price.htm 100 baht]||156 × 90&nbsp;mm||Brown and cyan
|King [[Ananda Mahidol]] and Phra Patom Chedi
|The [[Constitution of Thailand|Constitution of Siam]]||1945–1948
|}

==== 1948–2003 (Series 9 to Series 13), early Rama IX era ====
These banknotes series are not yet demonetized and hence still legal tender, though they are never seen in circulation anymore.<gallery widths="250" heights="200">
File:Series 9 Second Portrait.jpg|'''Series 9, second portrait'''
File:Series 10 Thailand Banknote.jpg|'''Series 10'''
File:Series 11 Thailand Banknote.jpg|'''Series 11'''
</gallery>
These banknotes images are allowed under a strict copyright infringement exemption under the Chapter 1: Copyright, Part 6: Exceptions to Infringement of Copyright,  Clause 7 of Copyright Act B.E. 2537 (1994) Amended by Copyright Act  (NO. 2) B.E. 2558 (2015), and Copyright Act  (NO.3) B.E. 2558 (2015) and Copyright Act (NO.4) B.E. 2561 (2018): reproduction, adaptation in part of a work or abridgement or making a summary by a teacher or an educational institution so as to distribute or sell to students in a class or in an educational institution, provided that the act is not for profit.<ref>[https://www.ipthailand.go.th/images/3534/2564/Copyright/Copyright_Act_ENG.pdf]</ref>

So as to serve as an educational material, only one side is shown and any series beyond series 13 is omitted.

===== Series 9 =====
[[File:Series 9 Banknote Portrait Difference.png|thumb|Series 9 banknote portrait difference, young portrait (left) and new portrait (right)]]
Series 9 banknotes were produced by [[Thomas De La Rue & Company Limited]]. There are two variations within this series, the young, and new portrait.  According to the Bank of Thailand, the color schemes of this series established the denominations' colors for all of the following series due to the series circulating for 20 years.<ref>{{Cite web |title=Series 9 |url=https://www.bot.or.th/en/our-roles/banknotes/History-and-Series-of-Banknote-And-Commemorative/banknotes-series/banknote-series9.html |access-date=2023-08-29 |website=www.bot.or.th |language=en}}</ref>
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
! colspan="8" |Series 9 banknotes (Rama IX) ''<u>issued for 23 years</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|[https://en.numista.com/catalogue/note230497.html 50 satang]||115 × 63&nbsp;mm||Green
|The [[Constitution of Thailand]]
|[[Wat Phra Samut Chedi|Phra Samut Chedi]]||1948–1969
|-
|[https://en.numista.com/catalogue/note207110.html 1 baht]||126 × 66&nbsp;mm||Green
|King [[Bhumibol Adulyadej]] in the uniform of the supreme commander of the [[Royal Thai Armed Forces]], and [[Wat Pho]]
|[[Ananta Samakhom Throne Hall]]||1948-1955; 1955–1969
|-
|[https://en.numista.com/catalogue/note207114.html 5 baht]||136 × 77&nbsp;mm||Green and Grey
|King [[Bhumibol Adulyadej]] in the uniform of the supreme commander of the [[Royal Thai Armed Forces]], and [[Phra Pathommachedi|Phra Pathomma Chedi]]
|[[Ananta Samakhom Throne Hall]]||1948–1955; 1955–1969
|-
|[https://en.numista.com/catalogue/note207575.html 10 baht]||146 × 86&nbsp;mm||Brown
|King [[Bhumibol Adulyadej]] in the uniform of the supreme commander of the [[Royal Thai Armed Forces]], and [[Fortifications of Bangkok|Pharakarn Fortress]]
|[[Ananta Samakhom Throne Hall]]||1948–1953; 1953–1969
|-
|[https://en.numista.com/catalogue/note207604.html 20 baht]||146 × 86&nbsp;mm||Green
|King [[Bhumibol Adulyadej]] in the uniform of the supreme commander of the [[Royal Thai Armed Forces]], and [[Grand Palace]]
||[[Ananta Samakhom Throne Hall]]||1948–1955; 1955–1971
|-
|[https://en.numista.com/catalogue/note230492.html 100 baht]||145 × 86&nbsp;mm||Red
|King [[Bhumibol Adulyadej]] in the uniform of the supreme commander of the [[Royal Thai Armed Forces]], and [[Wat Arun]] 
|[[Ananta Samakhom Throne Hall]]||1948–1955; 1955-1968
|}

===== Series 10 =====
Series 10 banknotes were produced by Thomas De La Rue & Company Limited. Due to heavy counterfeiting, series 10 was issued in series 9's stead.<ref>{{Cite web |title=ธนบัตรแบบ10 |url=https://www.bot.or.th/en/our-roles/banknotes/History-and-Series-of-Banknote-And-Commemorative/banknotes-series/banknote-series10.html |access-date=2023-08-29 |website=www.bot.or.th |language=en}}</ref> The 100-baht note is the only denomination issued in this series.
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
! colspan="8" |Series 10 banknotes (Rama IX) ''<u>issued for <1 years</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|[https://en.numista.com/catalogue/note212206.html 100 baht]||145 × 86&nbsp;mm||Red
|King [[Bhumibol Adulyadej]] in uniform 
||Royal barge ''Suphannahong''||1968–1969
|}

===== Series 11 =====
In this series, the 500-baht note was introduced for the first time ever. This coincided with the Bank of Thailand fully converting to an in-house production.<ref>{{Cite web |title=ธนบัตรแบบ11 |url=https://www.bot.or.th/en/our-roles/banknotes/History-and-Series-of-Banknote-And-Commemorative/banknotes-series/banknote-series11.html |access-date=2023-08-29 |website=www.bot.or.th |language=en}}</ref> As a consequence, the 1-baht note's production was cancelled.
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
! colspan="8" |Series 11 banknotes (Rama IX) ''<u>issued for 13 years</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|[https://en.numista.com/catalogue/note205602.html 5 baht]||130 × 67.5&nbsp;mm||Violet
|King [[Bhumibol Adulyadej]] in full regalia
|Arphonphimoke Prasat Pavilion||1969–1978
|-
|[https://en.numista.com/catalogue/note206545.html 10 baht]||135 × 70&nbsp;mm||Brown
|King [[Bhumibol Adulyadej]] in full regalia
|Wat Benchamabophit||1969–1978
|-
|[https://en.numista.com/catalogue/note207125.html 20 baht]||140 × 72&nbsp;mm||Green
|King [[Bhumibol Adulyadej]] in full regalia
|Royal barge ''Anantanakkharat''||1971–1978
|-
|[https://en.numista.com/catalogue/note206959.html 100 baht]||150 × 77&nbsp;mm||Red
|King [[Bhumibol Adulyadej]] in full regalia
|Wat Phra Si Rattana Satsadaram||1969–1978
|-
|[https://en.numista.com/catalogue/note230489.html 500 baht]
|160 × 80&nbsp;mm
|Purple
|King [[Bhumibol Adulyadej]] in full regalia
|Phra Prang Sam Yod 
|1975–1988
|}

===== Series 12 and 13 =====
Series 12 and 13 aimed to glorify past [[Monarchy of Thailand|Thai monarchs]], the Bank of Thailand dubbed this as "The Great Series." The 5-baht note's production was cancelled. The 50-baht and 500-baht notes are part of series 13 and were issued to commemorate the bicentennial celebration of Bangkok in 1982, though their production had to be delayed for the new printing press to be installed.<ref>{{Cite web |title=ธนบัตรแบบ13 |url=https://www.bot.or.th/en/our-roles/banknotes/History-and-Series-of-Banknote-And-Commemorative/banknotes-series/banknote-series13.html |access-date=2023-08-29 |website=www.bot.or.th |language=en}}</ref>
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
! colspan="8" |Series 12 & 13 banknotes (Rama IX) ''<u>issued for 25 years</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|[https://en.numista.com/catalogue/note206262.html 10 baht]||132 × 69&nbsp;mm||Brown
|King [[Bhumibol Adulyadej]] in uniform 
|[[Equestrian statue of King Chulalongkorn]]||1978–2003
|-
|[https://en.numista.com/catalogue/note203643.html 20 baht]||139 × 72&nbsp;mm||Green
|King [[Bhumibol Adulyadej]] in uniform 
|King [[Taksin]]'s statue at Chantaburi||1978–2003
|-
|[https://en.numista.com/catalogue/note211392.html 50 baht]||144 × 72&nbsp;mm||Blue
|King [[Bhumibol Adulyadej]] in full regalia
|[[Ananta Samakhom Throne Hall]], the coronation of King Prajadhipok (Rama VII)||1985–1996
|-
|[https://en.numista.com/catalogue/note204652.html 50 baht] (polymer)||144 × 72&nbsp;mm||Blue and yellow
|King [[Bhumibol Adulyadej]] in full regalia
|[[Ananta Samakhom Throne Hall]], the coronation of King Prajadhipok (Rama VII)||1996–1997
|-
|[https://en.numista.com/catalogue/note213144.html 100 baht]||154 × 80&nbsp;mm||Red
|King [[Bhumibol Adulyadej]] in uniform 
|King [[Naresuan]] the Great atop his war elephant||1978–1994
|-
|[https://en.numista.com/catalogue/note213954.html 500 baht]||160 × 80&nbsp;mm||Purple
|King [[Bhumibol Adulyadej]] in the uniform of the supreme commander of the [[Royal Thai Armed Forces]]
|Monument of King [[Rama I|Phutthayotfa Chulalok]]||1988–1996
|}

==== 2003–present (Series 14 to Series 17), late Rama IX and Rama X era ====
Images of banknotes have been removed lest they infringe copyright,<ref>{{cite web|url= http://www.bot.or.th/English/Banknotes/Banknote%20service/Pages/Banknote_for_AD.aspx|title= Reproduction of Thai banknotes|author= Wararat, service manager|publisher= Bank of Thailand|access-date= 27 Nov 2011|quote= In Thailand, the Bank of Thailand (BOT) has the sole right to design, produce, issue, circulate and manage Thai banknotes. The reproduction of Thai banknotes is protected by the Copyright Act B.E. 2537 Ch.1 Pt.5 §27 (2) communication to public.|archive-url= https://web.archive.org/web/20111206073833/http://www.bot.or.th/English/Banknotes/Banknote%20service/Pages/Banknote_for_AD.aspx|archive-date= 2011-12-06|url-status= dead}}</ref> but may be viewed at the Thai-language article linked in the margin.

===== Series 14 =====
The series 14 aims to focus on the activities and contributions of the Chakri kings. Officially, only three notes were issued, but the 50-baht notes were also produced alongside this series. The polymer 50-baht is considered to be a part of series 15, even though the production date began in 1994.<ref>{{Cite web |title=Series 14 |url=https://www.bot.or.th/en/our-roles/banknotes/History-and-Series-of-Banknote-And-Commemorative/banknotes-series/banknote-series14.html |access-date=2024-08-24 |website=www.bot.or.th |language=en}}</ref><ref>{{Cite web |title=50 Baht - Rama IX, Thailand |url=https://en.numista.com/catalogue/note202941.html |access-date=2024-08-24 |website=en.numista.com |language=en}}</ref>
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
! colspan="6" |Series 14 banknotes (Rama IX)<ref name="current">{{Cite web |title=Circulating Banknotes |url=http://www.bot.or.th/English/Banknotes/HistoryANdSeriesOfBanknotes/Pages/Current_Series_of_Banknotes.aspx |url-status=dead |archive-url=https://web.archive.org/web/20130220150716/http://www.bot.or.th/English/Banknotes/HistoryANdSeriesOfBanknotes/Pages/Current_Series_of_Banknotes.aspx |archive-date=2013-02-20 |access-date=2013-03-28 |publisher=[[Bank of Thailand]]}}</ref> ''<u>issued for 13 years</u>''
|-
! rowspan="2" |Value
! rowspan="2" |Dimensions
! rowspan="2" |Main colour
! colspan="2" |Description
! rowspan="2" |Date of issue
|-
!Obverse
!Reverse
|-
|50 baht<br>(polymer)||144 × 72&nbsp;mm||Blue
|rowspan="4"|King [[Bhumibol Adulyadej]] (Rama IX) in the uniform of the supreme commander of the [[Royal Thai Armed Forces]]
|King [[Mongkut]] (Rama IV)||1994–2004
|-
|100 baht||150 × 72&nbsp;mm||Red
|King [[Mongkut]] (Rama IV) and King [[Chulalongkorn]] (Rama V)||1994–2003
|-
|500 baht||156 × 72&nbsp;mm||Purple
|King [[Rama I|Phutthayotfa Chulalok]] (Rama I) and King [[Rama II|Phutthaloetla Naphalai]] (Rama II)||1996–2001
|-
|1,000 baht||166 × 80&nbsp;mm||Silver
|King [[Bhumibol Adulyadej]] (Rama IX) and Queen [[Sirikit]]||1992–2005
|}

===== Series 15 =====
The series 15 aims to update and expand the previous series 14's design. The 1000-baht note was resized down. There are two variants of this series, with the second and later variant having updated security features.<ref>{{Cite web |title=Series 15 |url=https://www.bot.or.th/en/our-roles/banknotes/History-and-Series-of-Banknote-And-Commemorative/banknotes-series/banknote-series15.html |access-date=2024-08-24 |website=www.bot.or.th |language=en}}</ref>
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
|-
! colspan="6" |Series 15 banknotes (Rama IX)<ref name="current" /> ''<u>issued for 10 years</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|20 baht||138 × 72&nbsp;mm||Green
|rowspan="5" |King [[Bhumibol Adulyadej]] (Rama IX) in the uniform of the supreme commander of the [[Royal Thai Armed Forces]]
|King [[Ananda Mahidol]] (Rama VIII)||3 March 2003
|-
|50 baht||144 × 72&nbsp;mm||Blue
|King [[Mongkut]] (Rama IV)||19 March 2004
|-
|100 baht||150 × 72&nbsp;mm||Red
|King [[Chulalongkorn]] (Rama V) and King [[Vajiravudh]] (Rama VI)||21 October 2005
|-
|500 baht||156 × 72&nbsp;mm||Purple
|King [[Rama III|Nangklao]] (Rama III)||1 August 2001
|-
|1,000 baht||162 × 72&nbsp;mm||Brown
|King [[Bhumibol Adulyadej]] (Rama IX); Pa Sak Jolasid Dam||25 November 2005
|}

===== Series 16 =====
Similar to the series 15, the series 16 banknotes update the design to include a more later portrait of King [[Bhumibol Adulyadej|Rama IX]]. There are two variants of this series, the later one being a circulated commemorative series circulating for a year after King Rama IX's passing. The series 16-2 notes depict the life and achievements of King Rama IX on the reverse.
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
|-
! colspan="6" |Series 16 banknotes (Rama IX)<ref name="current" /> ''<u>issued for 6 years</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|20 baht<ref>{{Cite web |title=Series of Banknotes at Bank of Thailand's official website |url=https://www.bot.or.th/English/Banknotes/HistoryAndSeriesOfBanknotes/Pages/20_16.aspx |url-status=dead |archive-url=https://web.archive.org/web/20181223124115/https://www.bot.or.th/English/Banknotes/HistoryAndSeriesOfBanknotes/Pages/20_16.aspx |archive-date=2018-12-23 |access-date=2017-05-29}}</ref>||138 × 72&nbsp;mm||Green
|rowspan="5"|King [[Bhumibol Adulyadej]] in the Royal House of Chakri gown
|King [[Ramkhamhaeng]] the Great on the Manangkhasila Asana Throne monument; invention of the Thai script; Ramkhamhaeng stele||1 April 2013<ref>{{cite web |title=ธปท.เปิดตัวแบงก์ 50 ใหม่ เริ่มใช้ 18 ม.ค.-ปลอมยาก! |url=http://www.thanonline.com/index.php?option=com_content&view=article&id=176215:-20-&catid=143:2011-01-26-05-35-57&Itemid=597 |url-status=dead |archive-url=https://web.archive.org/web/20160310051606/http://thanonline.com/index.php?catid=143:2011-01-26-05-35-57&id=176215:-20-&itemid=597&option=com_content&view=article |archive-date=10 March 2016 |access-date=12 Jan 2012 |publisher=ASTV Manager Daily}}</ref>
|-
|50 baht<ref>{{cite web |title=50_16 |url=https://www.bot.or.th/English/Banknotes/HistoryAndSeriesOfBanknotes/Pages/50_16.aspx |url-status=dead |archive-url=https://web.archive.org/web/20190402105107/https://www.bot.or.th/English/Banknotes/HistoryAndSeriesOfBanknotes/Pages/50_16.aspx |archive-date=2019-04-02 |access-date=2017-05-29}}</ref>||144 × 72&nbsp;mm||Blue
|King [[Naresuan]] the Great pouring water for declaration of independence monument; Statue of King Naresuan the Great on war elephant; Phra Chedi Chai Mongkol temple||18 January 2012<ref>{{cite web |title=ธปท.ออกใช้ธนบัตรชนิดราคา 20บาท แบบใหม่ |url=http://www.manager.co.th/Home/ViewNews.aspx?NewsID=9550000004990 |url-status=dead |archive-url=https://web.archive.org/web/20130520115415/http://www.manager.co.th/Home/ViewNews.aspx?NewsID=9550000004990 |archive-date=20 May 2013 |access-date=28 Mar 2013 |publisher=Than Setthakij}}</ref>
|-
|100 baht<ref>{{cite web |title=100_16 |url=https://www.bot.or.th/English/Banknotes/HistoryAndSeriesOfBanknotes/Pages/100_16.aspx |url-status=dead |archive-url=https://web.archive.org/web/20181222221219/https://www.bot.or.th/English/Banknotes/HistoryAndSeriesOfBanknotes/Pages/100_16.aspx |archive-date=2018-12-22 |access-date=2017-05-29}}</ref>||150 × 72&nbsp;mm||Red
|King [[Taksin]] the Great monument in Wongwian Yai circle; Phra Ratchawang Doem (King Taksin's palace); Wichai Prasit Fortress Thonburi||26 February 2015<ref>[https://www.bot.or.th/Thai/PressandSpeeches/Press/News2558/n1058e.pdf Press release announcing the issuance of the Series 16 100 baht banknote] {{Webarchive|url=https://web.archive.org/web/20150224132620/https://www.bot.or.th/Thai/PressandSpeeches/Press/News2558/n1058e.pdf|date=2015-02-24}} Bank of Thailand (www.bot.or.th). Retrieved on 2015-02-24.</ref>
|-
|500 baht<ref>{{cite web |title=500_16 |url=https://www.bot.or.th/English/Banknotes/HistoryAndSeriesOfBanknotes/Pages/500_16.aspx |url-status=dead |archive-url=https://web.archive.org/web/20181223122610/https://www.bot.or.th/English/Banknotes/HistoryAndSeriesOfBanknotes/Pages/500_16.aspx |archive-date=2018-12-23 |access-date=2017-05-29}}</ref>||156 × 72&nbsp;mm||Violet
|King [[Rama I|Phutthayotfa Chulalok]] the Great (Rama I) monument; Wat Phra Chetuphon Vimolmangklararm Rajwaramahaviharn (Wat Pho); Phra Sumen Fort (Bangkok city wall)||12 May 2014<ref>[https://www.bot.or.th/Thai/PressAndSpeeches/Press/News2557/n1657e.pdf Press release announcing the issuance of the Series 16 500 baht banknote] {{Webarchive|url=https://web.archive.org/web/20150403015705/https://www.bot.or.th/Thai/PressAndSpeeches/Press/News2557/n1657e.pdf|date=2015-04-03}} Bank of Thailand (www.bot.or.th). Retrieved on 2014-05-08.</ref>
|-
|1,000 baht<ref>{{cite web |title=1000 Baht Series 16 |url=https://www.bot.or.th/English/Banknotes/HistoryAndSeriesOfBanknotes/Pages/1000_16.aspx |url-status=dead |archive-url=https://web.archive.org/web/20181223122522/https://www.bot.or.th/English/Banknotes/HistoryAndSeriesOfBanknotes/Pages/1000_16.aspx |archive-date=2018-12-23 |access-date=2017-05-29}}</ref>||162 × 72&nbsp;mm||Brown
|King [[Chulalongkorn]] the Great (Rama V) monument; Ananta Samakhom throne hall, Dusit palace ground king's monument, end of slavery in Siam ||  21 August 2015<ref>[https://www.bot.or.th/Thai/PressandSpeeches/Press/News2558/n4158e.pdf Press release announcing the issuance of the Series 16 1,000 baht banknote] {{Webarchive|url=https://web.archive.org/web/20151009133053/https://www.bot.or.th/Thai/PressandSpeeches/Press/News2558/n4158e.pdf|date=2015-10-09}} Bank of Thailand (www.boh.or.th). Retrieved on 2015-08-18.</ref>
|}

===== Series 17 =====
{| class="wikitable" style="font-size: 90%" style="width:100%; text-align: center"
|-
! colspan="6" |Series 17 banknotes (Rama X)<ref>{{cite web |title=The Bank of Thailand Launches New Series of Thai Banknotes (Series 17), BOT Press Release No. 17/2018 |url=https://www.bot.or.th/Thai/PressandSpeeches/Press/News2561/n1761e.pdf |url-status=dead |archive-url=https://web.archive.org/web/20180310135947/https://www.bot.or.th/Thai/PressandSpeeches/Press/News2561/n1761e.pdf |archive-date=10 March 2018 |access-date=8 March 2018 |language=en}}</ref> ''<u>issuing for {{time interval|2018|{{#time:Y-m-d}}|abbr=off}}</u>''
|-
! rowspan="2" | Value !! rowspan="2" | Dimensions !! rowspan="2" | Main colour !! colspan="2" | Description !! rowspan="2" | Date of issue
|-
! Obverse !! Reverse
|-
|20 baht||138 × 72&nbsp;mm||Green
|rowspan="5"|King [[Vajiralongkorn]] (Rama X) in the uniform of the commander of the [[Royal Thai Air Force]] and wearing the [[Order of the Nine Gems]]
|King [[Rama I|Phutthayotfa Chulalok]] (Rama I) and King [[Rama II|Phutthaloetla Naphalai]] (Rama II)||6 April 2018
|-
|50 baht||144 × 72&nbsp;mm||Blue
|King [[Rama III|Nangklao]] (Rama III) and King [[Mongkut]] (Rama IV)||6 April 2018
|-
|100 baht||150 × 72&nbsp;mm||Red
|King [[Chulalongkorn]] (Rama V) and King [[Vajiravudh]] (Rama VI)||6 April 2018
|-
|500 baht||156 × 72&nbsp;mm||Purple
|King [[Prajadhipok]] (Rama VII) and King [[Ananda Mahidol]] (Rama VIII)||28 July 2018
|-
|1,000 baht||162 × 72&nbsp;mm||Brown
|King [[Bhumibol Adulyadej]] (Rama IX) and King Vajiralongkorn (Rama X)||28 July 2018
|}

==Money and unit of mass==
''Ngoen'' ([[wikt:เงิน|เงิน]]) is Thai for "[[silver]]" as well as the general term for [[money]], reflecting the fact that the baht (or tical) is foremost a unit of [[mass|weight]] for [[precious metal]]s and [[gemstone]]s. One baht = 15.244 [[gram]]s.<ref>[http://www.bangkokpost.com/news/local/30756/a-sure-bet-or-fool-gold "A sure bet or fool's gold?"], ''Bangkok Post'' 2010-01-10{{Dead link|date=October 2018}}</ref> Since the standard purity of Thai [[gold]] is 96.5 percent, the actual gold content of one baht by weight is 15.244 × 0.965 = 14.71046&nbsp;grams; equivalent to about 0.473 [[troy ounce]]s. 15.244&nbsp;grams is used for [[Bullion#Bullion|bullion]]; in the case of [[jewellery]], one baht should be more than 15.16&nbsp;grams.

=== Historical coinage material ===
{| class="wikitable" style="width:100%; text-align: center"
|+
!Example coin
!Material
!Date in use<ref>{{Cite web |title=Coins from Thailand – Numista |url=https://en.numista.com/catalogue/thailande-1.html?o=y |access-date=2024-07-21 |website=en.numista.com}}</ref>
!Denomation minted
|-
|[[File:1862 8 Baht R.png|center|frameless|220x220px]]
|Gold
|'''1863–1905*'''
<nowiki>*</nowiki>''the coins mintage date were only in '''1863 & 1876''', but they were demonitized by the decimalization.''
|'''Predecimal coinage'''
* 1/4 baht (1 fueang)
* 1/2 baht
* 1 baht
* 2 baht 
* 4 baht (1 tamlueng)
* 2 tamlueng
|-
|[[File:1862 2 Baht R.png|center|frameless|220x220px]]
|Silver
|'''1860–1962'''
|'''Predecimal coinage'''
* 1/2 fueang
* 1/4 baht (1 fueang)
* 1/2 baht
* 1 baht
* 2 baht 
'''Decimal coinage'''
* 5 satang
* 10 satang
* 20 satang
* 25 satang
* 50 satang
* 1 baht
|-
|[[File:1862 1 Att R.png|center|frameless|220x220px]]
|Tin
|'''1860–1950'''
|'''Predecimal coinage'''
* 1/16 fueang
* 1/8 fueang
'''Decimal coinage'''
* 1 satang
* 5 satang
* 10 satang
* 25 satang
* 50 satang
|-
|[[File:1876 1 Sik R.png|center|frameless|220x220px]]
|Copper
|'''1865–1905'''
|'''Predecimal coinage'''
* 1/16 fueang
* 1/8 fueang
* 1/4 fueang
* 1/2 fueang
|-
|[[File:1862 1 Sik R.png|center|frameless|220x220px]]
|Brass
|'''1865–1977'''
|'''Predecimal coinage'''
* 1/4 fueang
* 1/2 fueang
'''Decimal coinage'''
* 25 satang
|-
|[[File:1888 1 Siao R.png|center|frameless|220x220px]]
|Bronze
|'''1887–1957'''
|'''Predecimal coinage'''
* 1/16 fueang
* 1/8 fueang
* 1/4 fueang
'''Decimal coinage'''
* 1/2 satang
* 1 satang
* 5 satang
* 10 satang
|-
|[[File:1908 Satang R.png|center|frameless|220x220px]]
|Nickel
|'''1908–1937'''
|'''Decimal coinage'''
* 5 satang
* 10 satang
|-
|[[File:1950 50 Satang R.png|center|frameless|220x220px]]
|Aluminium bronze
|'''1950–present'''
|'''Decimal coinage'''
* 5 satang
* 10 satang
* 25 satang
* 50 satang
|-
|[[File:1962 1 Baht R.png|center|frameless|220x220px]]
|Cupronickel
|'''1897–present'''
|'''Transitional coinage'''
* 2 1/2 satang
* 5 satang
* 10 satang
* 20 satang
'''Decimal coinage'''
* 1 baht
* 5 baht
* 10 baht (outer ring)
|-
|
|Nickelplated steel
|'''2005–present'''
|'''Decimal coinage'''
* 1 baht
* 2 baht
|-
|[[File:10 baht coin (Rama X, reverse).jpg|center|frameless|180x180px]]*''inner part''
|Copper-aluminium-nickel
|'''2008–present'''
|'''Decimal coinage'''
* 5 baht
* 10 baht (inner plug)
|-
|*''no wiki-image exist a Al-Br coin version is used''
|Copperplated steel
|'''2008–present'''
|'''Decimal coinage'''
* 25 satang
* 50 satang
|-
|colspan="3" |''This table only includes milled coins. Photduang, knife-cash, etc., are not included.''
|
|}

== Exchange rates ==
[[File:USD rate to THB.svg|thumbnail|Historical exchange rate of [[USD]]/THB from 1980 to 2015]]
[[File:Euro exchange rate to THB.svg|thumbnail|Historical exchange rate of [[EUR]]/THB since 2005]]
The Bank of Thailand adopted a series of exchange controls on 19 December 2006, which resulted in a significant divergence between offshore and onshore exchange rates, with spreads of up to 10 percent between the two markets. Controls were broadly lifted on 3 March 2008 and there is now no significant difference between offshore and onshore exchange rates.<ref>{{cite news | url=http://in.reuters.com/article/idINSP20869920080303 | work=Reuters | title=UPDATE 1-Onshore and offshore Thai baht converge, c.bank seen | date=3 March 2008 | access-date=12 September 2010 | archive-date=22 November 2020 | archive-url=https://web.archive.org/web/20201122120207/https://in.reuters.com/article/idINSP20869920080303 | url-status=dead }}</ref>
{| class="wikitable"
|+ USD/THB average exchange rate
| '''2000'''  || '''2001''' || '''2002''' || '''2003''' || '''2004''' || '''2005''' || '''2006''' || '''2007''' || '''2008''' || '''2009'''
|-
| 40.24 || 40.26|| 37.92|| 32.34|| 32.99||34.34 ||31.73 ||30.48 ||31.07 ||30.71
|-
|  '''2010''' || '''2011''' || '''2012''' || '''2013''' || '''2014''' || '''2015''' || '''2016''' || '''2017''' || '''2018''' || '''2019'''
|-
|32.48 ||34.25 ||35.28 ||33.91 ||32.48 ||34.25 || 35.30 ||33.94||32.31||31.05
|-
|  '''2020''' || '''2021''' || '''2022''' || '''2023''' || '''2024''' || '''2025''' || '''2026''' || '''2027''' || '''2028''' || '''2029'''
|-
|31.30
|}
''(Source 1999–2013: usd.fx-exchange.com)''

''(Source 2014–2020: Bank of Thailand)'' [https://www.bot.or.th/english/_layouts/application/exchangerate/exchangerateago.aspx] {{Webarchive|url=https://web.archive.org/web/20210123072242/https://www.bot.or.th/english/_layouts/application/exchangerate/ExchangeRateAgo.aspx |date=2021-01-23 }}

{{Exchange rate|THB|INR|TWD}}

=== Historical Exchange Rate in 1900s ===
Due to the fact that during these time periods, often the currencies were non-decimals, hence the non-decimal notations for these currencies.
{| class="wikitable"
|+
!Notation
!Meaning
!Notation
!Meaning
|-
| colspan="2" |Decimal
| colspan="2" |Non Decimal
|-
|'''ℳ︁1.15'''
|1 Mark 15 Pfennig
|'''฿17/6/1'''
|17 Baht 6 Fuang 1 Att
|-
|'''¥0.55'''
|0 Yen 55 Sen
|'''£0/1/1½'''
|0 Pound 1 Shilling 1½ Penny
|-
|'''0.68''ƒ'''''
|0 Gulden 68 Cents
|'''Rs.1/6/2'''
|1 Rupee 6 Annas 2 Paisa
|}
<gallery mode="nolines" widths="300" heights="200" perrow="7">
File:Podduang and Flatcoins.jpg|[[Bullet money|Podduang]] to [[Coin|Flatcoins]]    '''(฿1=฿1)'''
File:Physical Conversion in 1900 Pounds LSD to Baht.jpg|[[£sd|British Pound (lsd)]] to THB '''(£1=฿17/6/1)'''
File:Physical Conversion in 1900 Baht to Pounds LSD.jpg|THB to [[£sd|British Pound (lsd)]]  '''(฿1=£0/1/1½)'''
File:Physical Conversion in 1900 LMU to Baht.jpg|[[Latin Monetary Union|Latin Monetary Union unit]] to THB '''(1=฿0/5/5)'''
File:Physical Conversion in 1900 Baht to LMU.jpg|THB to [[Latin Monetary Union|Latin Monetary Union unit]]  ('''฿1=1.42)'''
File:Physical Conversion in 1900 Mark to Baht.jpg|[[German mark (1871)|Deutsche Mark]] to THB '''(ℳ︁1=฿0/6/7½)'''
File:Physical Conversion in 1900 Baht to Mark.jpg|THB to [[German mark (1871)|Deutsche Mark]]  '''(฿1=ℳ︁1.15)'''
File:Physical Conversion in 1900 Dutch Gulden to Baht.jpg|[[Dutch guilder|Dutch Gulden]] to THB  '''(1''ƒ''=฿1/3/7)'''
File:Physical Conversion in 1900 Baht to Dutch Gulden.jpg|THB to [[Dutch guilder|Dutch Gulden]]  '''(฿1=0.68''ƒ'')'''
File:Physical Conversion in 1900 USD to Baht.jpg|[[United States dollar|USD]] to THB  '''($1=฿3/4/4½)'''
File:Physical Conversion in 1900 Baht to USD.jpg|THB to [[United States dollar|USD]]  '''(฿1=$0.28)'''
File:Physical Conversion in 1900 Yen to Baht.jpg|[[Japanese yen|JPY]] to THB  '''(¥1=฿1/2/2½)'''
File:Physical Conversion in 1900 Baht to Yen.jpg|THB to [[Japanese yen|JPY]]  ('''฿1=¥0.55)'''
File:Physical Conversion in 1900 Rupee to Baht.jpg|[[Indian rupee|INR (British Raj)]] to THB  ('''Rs.1=฿0/5/5½)'''
File:Physical Conversion in 1900 Baht to Rupee.jpg|THB to [[Indian rupee|INR (British Raj)]]  '''(฿1=Rs.1/6/2)'''
File:Physical Conversion in 1900 Egyptian Pound to Baht.jpg|[[Egyptian pound|Egyptian Lira]] to THB '''(£E1/5=฿3/6/5)'''
File:Physical Conversion in 1900 US Philippines Peso to Baht.jpg|[[Philippine peso|Philippines Peso]] to THB   '''(P$1=฿1/6/2½)'''
File:Physical Conversion in 1900 Imperial Ruble to Baht.jpg|[[Russian ruble|Imperial Ruble]] to THB  '''(₽1=฿1/6/5)'''
File:Physical Conversion in 1900 Baht to Imperial Ruble.jpg|THB to [[Russian ruble|Imperial Ruble]] '''(฿1=₽0.55)'''
File:Physical Conversion in 1900 Kyat to Baht.jpg|[[Myanmar kyat|Konbaung Kyat]] to THB '''(1ကျပ်=฿0/5/5½)'''
File:Physical Conversion in 1900 Mexican Dollar to Baht.jpg|[[Mexican peso|Mexican Peso]] to THB '''(M$1=฿1/5/2½)'''
File:Physical Conversion in 1900 Canadian Dollar to Baht.jpg|[[Canadian dollar|Canadian Dollar]] to THB '''(C$1=฿3/5/2½)''' 
</gallery>

=== Purchasing power history ===
{| class="wikitable"
|+A table showing the equivalent of 100 baht in purchasing power throughout history (rounded to the lowest denomination of coins)<ref>Thailand - Inflation, Consumer Prices (annual %) - 2024 Data 2025 Forecast 1960-2023 Historical. Tradingeconomics.com. Published 2024. Accessed December 21, 2024. <nowiki>https://tradingeconomics.com/thailand/inflation-consumer-prices-annual-percent-wb-data.html#:~:text=Inflation%2C%20consumer%20prices%20(annual%20%25)%20in%20Thailand%20was%20reported%20at,compiled%20from%20officially%20recognized%20sources</nowiki>.

‌</ref>
!2024 ''(~1.9%/yr)''
!2020 ''(~0.36%/yr)''
!2015 ''(~2.64%/yr)''
!2010 ''(~3.05%/yr)''
!2005 ''(~1.65/yr)''
|-
|100.00 ''baht''
|92.40 ''baht''
|90.75 ''baht''
|78.75 ''baht''
|66.75 ''baht''
|-
!2000 ''(~4.65%/yr)''
!1995 ''(~4.36%/yr)''
!1990 ''(~2.45%/yr)''
!1985 ''(~7.75/yr)''
!1980 ''(~6.08%/yr)''
|-
|61.25 ''baht''
|47.00 ''baht''
|36.75 ''baht''
|32.25 ''baht''
|19.75 ''baht''
|-
!1975 ''(~7.85%/yr)''
!1970 ''(~2.4%/yr)''
!1965 ''(~1.93%/yr)''
!1960 ''(~10.81%/yr)''
!1955 ''(~9.57%/yr)''
|-
|13.75 ''baht''
|8.35 ''baht''
|7.35 ''baht''
|6.64 ''baht''
|3.05 ''baht''
|-
!1950 ''(~18.62%/yr)''
!1945 ''(~5.45%/yr)''
!1940 ''(~3.75%/yr)''
!1935 ''(~4.62%/yr)''
!1930 ''(~6.00%/yr)''
|-
|1.59 ''baht''
|11.0 ''<u>satang</u>''
|8.0 ''<u>satang</u>''
|6.5 ''<u>satang</u>''
|5.0 ''<u>satang</u>''
|-
! colspan="2" |1925 ''(~1.10%/yr)''
! colspan="3" |1892
|-
| colspan="2" |3.5 ''<u>satang</u>''
| colspan="3" |1 Att + 1 Solot
|}

== See also ==
* [[Economy of Thailand]]
* [[Stock Exchange of Thailand]]

== References ==
{{reflist|30em}}
; Sources
{{Refbegin}}
* Cecil Carter eds. {{clarify|date=June 2015}}, ''The Kingdom of Siam 1904'', reprint by the Siam Society 1988, {{ISBN|974-8298-13-2}}, chapter X ''Currency and Banking''
* {{numis cite SCWC | date=1991}}
* {{numis cite SCWPM | date=1994}}
{{Refend}}

==External links==
* {{in lang|th}} [https://web.archive.org/web/20110816222924/http://fx.thailisting.com/ Compare exchange rates of the Thai Baht from many bank in Thailand] (archived)
* {{in lang|en|de|fr}} [https://web.archive.org/web/20190320225105/https://www.bis-ans-ende-der-welt.net/Thailand-B-En.htm The banknotes of Thailand] (archived)
{{Thailand currency and coinage}}
{{Thailand topics}}
{{currency symbols}}
{{Currencies of Asia}}
{{Portal bar|Asia|Banks|Money|Numismatics|Thailand}}

{{DEFAULTSORT:Thai Baht}}
[[Category:Currency symbols]]
[[Category:Currencies of Thailand]]
[[Category:Units of mass]]
[[Category:Currencies of Asia]]
[[Category:Circulating currencies]]