SI Derived Units
Examples of SI derived units expressed in terms of base units
| Derived Quantity | SI Derived Unit Name | Symbol |
| Area | square metre | m2 |
| Volume | cubic metre | m3 |
| Speed, velocity | metre per second | m·s−1 |
| Acceleration | metre per second squared | m·s−2 |
| Wavenumber | reciprocal metre | m−1 |
| Density | kilogram per cubic metre | kg·m−3 |
| Current density | ampere per square metre | A·m−2 |
| Magnetic field strength | ampere per metre | A·m−1 |
| Concentration | mole per cubic metre | mol·m−3 |
| Luminance | candela per square metre | cd·m−2 |
| Refractive index | unity | 1 |
SI derived units with special names and symbols
| Derived Quantity | SI Derived Unit Name | Symbol | In Terms of Other Units | In Terms of Base Units |
| Plane angle | radian | rad | 1 | |
| Solid angle | steradian | sr | 1 | |
| Frequency | hertz | Hz | s−1 | |
| Force | newton | N | m·kg·s−2 | |
| Pressure | pascal | Pa | N·m−2 | m−1·kg·s−2 |
| Energy | joule | J | N·m | m2·kg·s−2 |
| Power | watt | W | J·s−1 | m2·kg·s−3 |
| Electric charge | coulomb | C | s·A | |
| Electric potential difference | volt | V | W·A−1 | m2·kg·s−3·A−1 |
| Capacitance | farad | F | C·V−1 | m−2·kg−1·s4·A2 |
| Electric resistance | ohm | Ω | V·A−1 | m2·kg·s−3·A−1 |
| Electric conductance | siemens | S | A·V−1 | m−2·kg−1·s−3·A−2 |
| Magnetic flux | weber | Wb | V·s | m2·kg·s−2·A−1 |
| Magnetic flux density | tesla | T | Wb·m−2 | kg·s−2·A−1 |
| Inductance | henry | H | Wb·A−1 | m2·kg·s−2·A−2 |
| Luminous flux | lumen | lm | cd·sr | Cd |
| Illuminance | lux | lx | lm·m−2 | cd·m−2 |
| Activity (of a radionuclide) | becquerel | Bq | s−1 | |
| Absorbed dose | gray | Gy | J·kg−1 | m2·s−2 |
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