The following are examples of coherent derived units in the SI with special names and symbols:
| Derived Quantity | Name | Symbol | Expression in Terms of Other SI Units | Expression in Terms of SI Base Units |
|---|---|---|---|---|
| plane angle | radian | rad | 1 (dimensionless) | m⋅m-1 |
| solid angle | steradian | sr | 1 (dimensionless) | m2⋅m-2 |
| frequency | hertz | Hz | -- | s-1 |
| force | newton | N | -- | m⋅kg⋅s-2 |
| pressure, stress | pascal | Pa | N/m2 | m-1⋅kg⋅s-2 |
| energy, work, quantity of heat | joule | J | N⋅m | m2⋅kg⋅s-2 |
| power, radiant flux | watt | W | J/s | m2⋅kg⋅s-3 |
| electric charge, amount of electricity | coulomb | C | -- | s⋅A |
| electric potential difference, electromotive force | volt | V | W/A | m2⋅kg⋅s-3⋅A-1 |
| capacitance | farad | F | C/V | m2⋅kg-1⋅s4⋅A2 |
| electric resistance | ohm | Ω | V/A | m2⋅kg⋅s-3⋅A-2 |
| electric conductance | siemens | S | A/V | m-2⋅kg-1⋅s3⋅A2 |
| magnetic flux | weber | Wb | V⋅s | m2⋅kg⋅s-2⋅A-1 |
| magnetic flux density | tesla | T | Wb/m2 | kg⋅s-2⋅A-1 |
| inductance | henry | H | Wb/A | m2⋅kg⋅s-2⋅A-2 |
| Celsius temperature | degree Celsius | °C | -- | K |
| luminous flux | lumen | lm | cd⋅sr | m2⋅m-2⋅cd = cd |
| illuminance | lux | lx | lm/m2 | m2⋅m-4⋅cd = m-2⋅cd |
| radioactivity | becquerel | Bq | -- | s-1 |
| radiation absorbed dose | gray | Gy | J/kg | m2⋅s-2 |
| dose equivalent | sievert | Sv | J/kg | m2⋅s-2 |
| catalytic activity | katal | kat | -- | s-1⋅mol |