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Physics LibreTexts

SI Units

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SI Base Units

 

Quantity Unit Sym.
Length metre m
Mass kilogram kg
Time second s
Therm. temp. kelvin K
Electr. current ampere A
Luminous intens. candela cd
Amount of subst. mol mol
     
     
Plane angle radian rad
solid angle sterradian sr

SI Derivative Units

 

       
Quantity Unit Sym. Derivation
Frequency hertz Hz

s1


Force newton N kgms2
Pressure pascal Pa Nm2
Energy joule J Nm
Power watt W Js1
Charge coulomb C As
El. Potential volt V WA1
El. Capacitance farad F CV1
El. Resistance ohm Ω VA1
El. Conductance siemens S AV1
Mag. flux weber Wb Vs
Mag. flux density tesla T Wbm2
Inductance henry H WbA1
Luminous flux lumen lm cdsr
Illuminance lux lx lmm2
Activity bequerel Bq s1
Absorbed dose gray Gy Jkg1
Dose equivalent sievert Sv Jkg1

This page titled SI Units is shared under a CC BY license and was authored, remixed, and/or curated by Johan Wevers.

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