SI derived units

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SI derived units

Measurement

Unit

Symbol

Area

square metre

m2

Volume

cubic metre

m3

Velocity

metre per second

m s−1

Acceleration

metre per second squared

m s−2

Angular velocity

radian per second

rad s−1

Angular acceleration

radian per second squared

rad s−2

Density

kilogram per cubic metre

kg m−3

Momentum

kilogram metre per second

kg m s−1

Angular momentum

kilogram metre squared per second

kg m2 s−1

Mass rate of flow

kilogram per second

kg s−1

Volume rate of flow

cubic metre per second

m3 s−1

Torque

newton metre

N m

Surface tension

newton per metre

N m−1

Dynamic viscosity

newton second per metre squared

N s m−2

Kinematic viscosity

metre squared per second

m2 s−1

Thermal coefficient

per °Celsius, or per kelvin

°C−1, or K−1

Thermal conductivity

watt per metre °C

W m−1 °C−1

Heat capacity

joule per kelvin

J K−1

Specific latent heat

joule per kilogram

J kg−1

Specific heat capacity

joule per kilogram kelvin

J kg−1 K−1

Velocity of light

metre per second

m s−1

Permeability

henry per metre

H m−1

Permittivity

farad per metre

F m−1

Electric force

volt per metre

v m−1

Electric flux density

coulomb per metre squared

C m−2


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