SI Units
( \newcommand{\kernel}{\mathrm{null}\,}\)
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 |
s−1 |
Force | newton | N | kg⋅m⋅s−2 |
Pressure | pascal | Pa | N⋅m−2 |
Energy | joule | J | N⋅m |
Power | watt | W | J⋅s−1 |
Charge | coulomb | C | A⋅s |
El. Potential | volt | V | W⋅A−1 |
El. Capacitance | farad | F | C⋅V−1 |
El. Resistance | ohm | Ω | V⋅A−1 |
El. Conductance | siemens | S | A⋅V−1 |
Mag. flux | weber | Wb | V⋅s |
Mag. flux density | tesla | T | Wb⋅m−2 |
Inductance | henry | H | Wb⋅A−1 |
Luminous flux | lumen | lm | cd⋅sr |
Illuminance | lux | lx | lm⋅m−2 |
Activity | bequerel | Bq | s−1 |
Absorbed dose | gray | Gy | J⋅kg−1 |
Dose equivalent | sievert | Sv | J⋅kg−1 |