Editing United States customary units (section)

===US survey units===
Note that as announced by the [[National Institute of Standards and Technology]], the US survey foot, and other units defined in terms of it, have been deprecated since 2023, "except for historic and legacy applications".<ref name=":0">{{Cite web |title=Deprecation of the United States (U.S.) Survey Foot |url=https://www.federalregister.gov/documents/2020/10/05/2020-21902/deprecation-of-the-united-states-us-survey-foot |access-date=October 19, 2023 |website=[[Federal Register]] |publication-date=October 5, 2020}}</ref><ref name=":1">{{Cite web| title = U.S. Survey Foot| work = NIST| accessdate = March 29, 2023| date = c. 2022| url = https://www.nist.gov/pml/us-surveyfoot}}</ref><ref name="NIST2023">{{Cite web| title= U.S. Survey Foot: Revised Unit Conversion Factors| work= NIST| accessdate= December 14, 2023| date = September 23, 2019| url= https://www.nist.gov/pml/us-surveyfoot/revised-unit-conversion-factors |publisher = [[National Institute of Standards and Technology]] }} Updated January 4, 2023.</ref>

{| class="wikitable"
|+ List of US Survey units
! rowspan=2|Unit !! rowspan=2|Name!! rowspan=2|Divisions!! colspan = "2" | SI equivalent
|-
!Before 2023 !! From 2023
|-
| {{val|1|u=[[link (unit)|li]]}}
| [[link (unit)|link]]
| {{ubl|{{nowrap|{{frac|33|50}} {{val||ul=ft}}}}|{{val|7.92|ul=in}}}}
| {{ubl|{{nowrap|{{frac|792|3937}} {{val||ul=m}}}}|({{val|0.20117|ul=m}})}}
| {{val|0.201168|ul=m}}
|-
| {{val|1|u=ft}}
| [[U.S. survey foot]] (deprecated since 2023)
| {{n/a}}
| {{ubl|{{nowrap|{{frac|1200|3937}} {{val||ul=m}}}}<ref name=Roberts/>| ({{val|0.3048006|u=m}})}}
| {{n/a}}
|-
| {{val|1|ul=rod}}
| {{ubl|[[rod (unit)|rod]]|"pole"|"perch"}}
| {{ubl|{{val|25|u=[[link (unit)|li]]}}|{{val|16.5|ul=ft}}}}
| {{ubl|{{nowrap|{{frac|19,800|3937}} {{val||ul=m}}}}|({{val|5.029|ul=m}})}}
| {{val|5.0292|ul=m }}
|-
| {{val|1|ul=ch}}
| [[chain (unit)|chain]]
| {{ubl|{{val|4|ul=rd}}|{{val|66|ul=ft}}}}
| {{ubl|{{nowrap|{{frac|79,200|3937}} {{val||ul=m}}}}|{{val|20.117|ul=m}}}}
| {{val|20.1168|ul=m}}
|-
| {{val|1|u=[[furlong|fur]]}}
| [[furlong]]
| {{val|10|ul=ch}}
| {{ubl|{{nowrap|{{frac|792|3937}} {{val||ul=km}}}}|({{val|201.168|ul=m}})}}
| {{val|201.168|ul=m}}
|-
| {{val|1|ul=mi}}
| {{ubl|[[U.S. survey mile]]|}}
| {{val|8|u=[[furlong|fur]]}}
| {{ubl|{{nowrap|{{frac|6336|3937}} {{val||ul=km}}}}<ref name="Roberts">Roberts, R.W. (February 3, 1975). ''Federal Register'' republished in Barbrow, L.E. and Judson, L. V. (1976) [https://www.govinfo.gov/content/pkg/GOVPUB-C13-691a9b38e29a85d0925f4db586b60735/pdf/GOVPUB-C13-691a9b38e29a85d0925f4db586b60735.pdf ''Weights and Measures of the United States'']. National Bureau of Standards Special Publication 447. p. 36</ref>|({{val|1.609347|ul=km}})}}
|{{val|1.609344|u=km}} (international mile)
|-
| {{val|1|u=[[league (unit)|lea]]}}
| [[league (unit)|league]]
| {{val|3|ul=mi}}
| {{ubl|{{nowrap|{{frac|19,008|3937}} {{val||ul=km}}}}<ref>Barton, John W.; Bowers, Shelby L.; Butcher, Tina G, Harshman, Richard A.; Lee, G. Diane & Warfield, Lisa, eds. [https://www.nist.gov/pml/weights-and-measures/publications/nist-handbooks/handbook-44-current-edition Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices] 2022 Edition. n.p.: National Institute of Standards and Technology. pp. B-7, C-20.</ref>| ({{val|4.828|u=km}})}}
| {{val|4.828032|ul=km}}
|}