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) | m^{2}⋅m^{-2} |

frequency | hertz | Hz | -- | s^{-1} |

force | newton | N | -- | m⋅kg⋅s^{-2} |

pressure, stress | pascal | Pa | N/m^{2} |
m^{-1}⋅kg⋅s^{-2} |

energy, work, quantity of heat | joule | J | N⋅m | m^{2}⋅kg⋅s^{-2} |

power, radiant flux | watt | W | J/s | m^{2}⋅kg⋅s^{-3} |

electric charge, amount of electricity | coulomb | C | -- | s⋅A |

electric potential difference, electromotive force | volt | V | W/A | m^{2}⋅kg⋅s^{-3}⋅A^{-1} |

capacitance | farad | F | C/V | m^{2}⋅kg^{-1}⋅s^{4}⋅A^{2} |

electric resistance | ohm | Ω | V/A | m^{2}⋅kg⋅s^{-3}⋅A^{-2} |

electric conductance | siemens | S | A/V | m^{-2}⋅kg^{-1}⋅s^{3}⋅A^{2} |

magnetic flux | weber | Wb | V⋅s | m^{2}⋅kg⋅s^{-2}⋅A^{-1} |

magnetic flux density | tesla | T | Wb/m^{2} |
kg⋅s^{-2}⋅A^{-1} |

inductance | henry | H | Wb/A | m^{2}⋅kg⋅s^{-2}⋅A^{-2} |

Celsius temperature | degree Celsius | °C | -- | K |

luminous flux | lumen | lm | cd⋅sr | m^{2}⋅m^{-2}⋅cd = cd |

illuminance | lux | lx | lm/m^{2} |
m^{2}⋅m^{-4}⋅cd = m^{-2}⋅cd |

radioactivity | becquerel | Bq | -- | s^{-1} |

radiation absorbed dose | gray | Gy | J/kg | m^{2}⋅s^{-2} |

dose equivalent | sievert | Sv | J/kg | m^{2}⋅s^{-2} |

catalytic activity | katal | kat | -- | s^{-1}⋅mol |