Editing SI derived unit (section)

==Special names==
The International System of Units assigns special names to 22 derived units, which includes two dimensionless derived units, the [[radian]] (rad) and the [[steradian]] (sr).
{| class="wikitable sortable"
|+ style="font-size:larger;font-weight:bold;"|Named units derived from SI base units<ref>{{SIbrochure8th}}</ref>
|-
! Name
! [[Symbol]]
! [[Physical quantity|Quantity]]
! Equivalents
! [[SI base unit]]<br>Equivalents
|-
| [[hertz]]
| align = "center"| Hz
| [[frequency]]
| align = "center"| 1/s
| align = "center"| s<sup>−1</sup>
|-
| [[radian]]
| align = "center"| rad
| [[angle]]
| align = "center"| m/m
| align="center" | 1
|-
| [[steradian]]
| align = "center"| sr
| [[solid angle]]
| align = "center"| m<sup>2</sup>/m<sup>2</sup>
| align="center" | 1
|-
| [[newton (unit)|newton]]
| align = "center"| N
| [[force]], [[weight]]
| align = "center"| kg⋅m/s<sup>2</sup>
| align = "center"| kg⋅m⋅s<sup>−2</sup>
|-
| [[pascal (unit)|pascal]]
| align = "center"| Pa
| [[pressure]], [[Stress (physics)|stress]]
| align = "center"| N/m<sup>2</sup>
| align = "center"| kg⋅m<sup>−1</sup>⋅s<sup>−2</sup>
|-
| [[joule]]
| align = "center"| J
| [[energy]], [[Mechanical work|work]], [[heat]]
| align = "center"| m⋅N, C⋅V, W⋅s
| align = "center"| kg⋅m<sup>2</sup>⋅s<sup>−2</sup>
|-
| [[watt]]
| align = "center"| W
| [[Power (physics)|power]], [[radiant flux]]
| align = "center"| J/s, V⋅A
| align = "center"| kg⋅m<sup>2</sup>⋅s<sup>−3</sup>
|-
| [[coulomb]]
| align = "center"| C
| [[electric charge]] or [[quantity of electricity]]
| align = "center"| s⋅A, F⋅V
| align = "center"| s⋅A
|-
| [[volt]]
| align = "center"| V
| [[voltage]], [[electrical potential difference]], [[electromotive force]]
| align = "center"| W/A, J/C
| align = "center"| kg⋅m<sup>2</sup>⋅s<sup>−3</sup>⋅A<sup>−1</sup>
|-
| [[farad]]
| align = "center"| F
| [[capacitance|electrical capacitance]]
| align = "center"| C/V, s/Ω
| align = "center"| kg<sup>−1</sup>⋅m<sup>−2</sup>⋅s<sup>4</sup>⋅A<sup>2</sup>
|-
| [[ohm (unit)|ohm]]
| align = "center"| Ω
| [[electrical resistance and conductance|electrical resistance]], [[electrical impedance|impedance]], [[Reactance (electronics)|reactance]]
| align = "center"| 1/S, V/A
| align = "center"| kg⋅m<sup>2</sup>⋅s<sup>−3</sup>⋅A<sup>−2</sup>
|-
| [[Siemens (unit)|siemens]]
| align = "center"| S
| [[electrical conductance]]
| align = "center"| 1/Ω, A/V
| align = "center"| kg<sup>−1</sup>⋅m<sup>−2</sup>⋅s<sup>3</sup>⋅A<sup>2</sup>
|-
| [[Weber (unit)|weber]]
| align = "center"| Wb
| [[magnetic flux]]
| align = "center"| J/A, T⋅m<sup>2</sup>,V⋅s
| align = "center"| kg⋅m<sup>2</sup>⋅s<sup>−2</sup>⋅A<sup>−1</sup>
|-
| [[tesla (unit)|tesla]]
| align = "center"| T
| [[magnetic field|magnetic induction]], [[magnetic flux density]]
| align = "center"| V⋅s/m<sup>2</sup>, Wb/m<sup>2</sup>, N/(A⋅m) 
| align = "center"| kg⋅s<sup>−2</sup>⋅A<sup>−1</sup>
|-
| [[henry (unit)|henry]]
| align = "center"| H
| [[inductance|electrical inductance]]
| align = "center"| V⋅s/A, Ω⋅s, Wb/A
| align = "center"| kg⋅m<sup>2</sup>⋅s<sup>−2</sup>⋅A<sup>−2</sup>
|-
| [[Celsius|degree Celsius]]
| align = "center"| °C
| [[temperature]] relative to [[Absolute zero|273.15 K]]
| align = "center"| K
| align = "center"| K
|-
| [[lumen (unit)|lumen]]
| align = "center"| lm
| [[luminous flux]] 
| align = "center"| cd⋅sr
| align = "center"| cd
|-
| [[lux]]
| align = "center"| lx
| [[illuminance]]
| align = "center"| lm/m<sup>2</sup>
| align = "center"| cd⋅m<sup>−2</sup>
|-
| [[becquerel]]
| align = "center"| Bq
| [[radioactivity]] (decays per unit time)
| align = "center"| 1/s
| align = "center"| s<sup>−1</sup>
|-
| [[gray (unit)|gray]]
| align = "center"| Gy
| [[absorbed dose]] (of [[ionizing radiation]])
| align = "center"| J/kg
| align = "center"| m<sup>2</sup>⋅s<sup>−2</sup>
|-
| [[sievert]]
| align = "center"| Sv
| [[equivalent dose]] (of [[ionizing radiation]])
| align = "center"| J/kg
| align = "center"| m<sup>2</sup>⋅s<sup>−2</sup>
|-
| [[katal]]
| align = "center"| kat
| [[catalytic activity]]
| align = "center"| mol/s
| align = "center"| s<sup>−1</sup>⋅mol.
|}