Template:SI special units
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| Name | Symbol | Quantity | Expression in terms of other units | Expression in terms of SI base units |
|---|---|---|---|---|
| hertz | Hz | Frequency | 1/s | s−1 |
| newton | N | Force, Weight | m∙kg/s2 | m∙kg∙s−2 |
| joule | J | Energy, Work, Heat | N∙m | m2∙kg∙s−2 |
| watt | W | Power, Radiant flux | J/s | m2∙kg∙s−3 |
| pascal | Pa | Pressure, Stress | N/m2 | m−1∙kg∙s−2 |
| lumen | lm | Luminous flux | cd∙sr | cd |
| lux | lx | Illuminance | lm/m2 | m−2∙cd |
| coulomb | C | Electric charge or flux | s∙A | s∙A |
| volt | V | Electrical potential difference, Electromotive force | W/A = J/C | m2∙kg∙s−3∙A−1 |
| ohm | Ω | Electric resistance, Impedance, Reactance | V/A | m2∙kg∙s−3∙A−2 |
| farad | F | Electric capacitance | C/V | m−2∙kg−1∙s4∙A2 |
| weber | Wb | Magnetic flux | J/A | m2∙kg∙s−2∙A−1 |
| tesla | T | Magnetic flux density, magnetic induction | V∙s/m2 = Wb/m2 = N/A∙m | kg∙s−2∙A−1 |
| henry | H | Inductance | V∙s/A = Wb/A | m2∙kg∙s−2∙A−2 |
| siemens | S | Electric conductance | 1/Ω | m−2∙kg−1∙s3∙A2 |
| becquerel | Bq | Radioactivity (decays per unit time) | 1/s | s−1 |
| gray | Gy | Absorbed dose (of ionizing radiation) | J/kg | m2∙s−2 |
| sievert | Sv | Equivalent dose (of ionizing radiation) | J/kg | m2∙s−2 |
| katal | kat | Catalytic activity | mol/s | s−1∙mol |
| degree Celsius | °C | Thermodynamic temperature | T°C = TK − 273.15 | |
