Below are examples of SI coherent derived units whose names and symbols include SI coherent derived units with special names and symbols:
Derived Quantity | Name | Symbol | Expression in Terms of SI Base Units |
---|---|---|---|
dynamic viscosity | pascal second | Pa⋅s | m-1⋅kg⋅s-1 |
moment of force | newton meter | N⋅m | m2⋅kg⋅s-2 |
surface tension | newton per meter | N/m | kg⋅s-2 |
angular velocity | radian per second | rad/s | m⋅m-1⋅s-1 = s-1 |
angular acceleration | radian per second squared | rad/s2 | m⋅m-1⋅s-2 = s-2 |
heat flux density, irradiance | watt per square meter | W/m2 | kg⋅s-3 |
heat capacity, entropy | joule per kelvin | J/K | m2⋅kg⋅s-2⋅K-1 |
specific heat capacity, specific entropy | joule per kilogram kelvin | J/(kg⋅K) | m2⋅s-2⋅K-1 |
specific energy | joule per kilogram | J/kg | m2⋅s-2 |
thermal conductivity | watt per meter kelvin | W/(m⋅K) | m⋅kg⋅s-3⋅K-1 |
energy density | joule per cubic meter | J/m3 | m-1⋅kg⋅s-2 |
electric field strength | volt per meter | V/m | m⋅kg⋅s-3⋅A-1 |
electric charge density | coulomb per cubic meter | C/m3 | m-3⋅s⋅A |
electric flux density, electric displacement | coulomb per square meter | C/m2 | m-2⋅s⋅A |
permittivity | farad per meter | F/m | m-3⋅kg-1⋅s4⋅A2 |
permeability | henry per meter | H/m | m⋅kg⋅s-2⋅A-2 |
molar energy | joule per mole | J/mol | m2⋅kg⋅s-2⋅mol-1 |
molar entropy, molar heat capacity | joule per mole kelvin | J/(mol⋅k) | m2⋅kg⋅s-2⋅K-1⋅mol-1 |
exposure (x and γ rays) | coulomb per kilogram | C/kg | kg-1⋅s⋅A |
absorbed dose rate | gray per second | Gy/s | m2⋅s-3 |
radiant intensity | watt per steradian | W/sr | m4⋅m-2⋅kg⋅s-3 = m2⋅kg⋅s-3 |
radiance | watt per square meter steradian | W/(m2⋅sr) | m2⋅m-2⋅kg⋅s-3 = kg⋅s-3 |
catalytic (activity) concentration | katal per cubic meter | kat/m3 | m-3⋅s-1⋅mol |