Derived Units
Table to help you look up derived units
| Derived Unit | Measures | Derivation | Formal Definition |
|---|---|---|---|
| Hertz (Hz) | Frequency | $/s$ | $s^{-1}$ |
| Newton (N) | Force | $kg\cdot(m/s^2)$ | $kg\cdot m\cdot s^{-2}$ |
| Pascal (Pa) | Pressure | $N/m^2$ | $kg\cdot m^{-1}\cdot s^{-2}$ |
| Joule (J) | Energy or work | $N\cdot m$ | $kg\cdot m^2\cdot s^{-2}$ |
| Watt (W) | Power | $J/s$ | $kg\cdot m^2\cdot s^{-3}$ |
| Coulomb (C) | Electric charge | $A\cdot s$ | $A\cdot s$ |
| Volt (V) | Electric potential | $W/A$ | $kg\cdot m^2\cdot s^{-3}\cdot A^{-1}$ |
| Farad (F) | Electric capacitance | $C/V$ | $kg^{-1}\cdot m^{-2}\cdot s^4\cdot A^2$ |
| Ohm (Ω) | Electric resistance | $V/A$ | $kg\cdot m^2\cdot s^{-3}\cdot A^{-2}$ |
| Siemens (S) | Electric conductance | $A/V$ | $kg^{-1}\cdot m^{-2}\cdot s^3\cdot A^2$ |
| Weber (Wb) | Magnetic flux | $V\cdot s$ | $kg\cdot m^2\cdot s^{-2}\cdot A^{-1}$ |
| Tesla (T) | Magnetic flux density | $Wb/m^2$ | $kg\cdot s^{-2}\cdot A^{-1}$ |
| Henry (H) | Inductance | $Wb/A$ | $kg\cdot m^2\cdot s^{-2}\cdot A^{-2}$ |
| Degree Celsius (°C) | Temperature | $K-273.15$ | $K$ |
| Radian (rad) | Plane angle | $m\cdot m^{-1}$ | |
| Steradian (sr) | Solid angle | $m^2\cdot m^{-2}$ | |
| Lumen (lm) | Luminous flux | $cd\cdot sr$ | $cd\cdot sr$ |
| Lux (lx) | Illuminance | $lm/m^2$ | $cd\cdot sr\cdot m^{-2}$ |
| Becquerel (Bq) | Activity | $/s$ | $s^{-1}$ |
| Gray (Gy) | Absorbed dose | $J/kg$ | $m^2\cdot s^{-2}$ |
| Sievert (Sv) | Dose equivalent | $Gy\cdot\text{(multiplier)}$ | $m^2\cdot s^{-2}$ |
| Katal (kat) | Catalytic activity | $mol/s$ | $mol\cdot s^{-1}$ |