BIPM - Table 4

SI brochure, Table 4 (Section 2.2.2)

Table 4. Examples of SI coherent derived units whose names and symbols include SI coherent derived units with special names and symbols


Derived quantity	SI coherent derived unit

	Name	Symbol	Expressed in terms of SI base units

dynamic viscosity	pascal second	Pa s	m^–1 kg s^–1
moment of force	newton metre	N m	m² kg s^–2
surface tension	newton per metre	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 metre	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 metre kelvin	W/(m K)	m kg s^–3 K^–1
energy density	joule per cubic metre	J/m³	m^–1 kg s^–2
electric field strength	volt per metre	V/m	m kg s^–3 A^–1
electric charge density	coulomb per cubic metre	C/m³	m^–3 s A
surface charge density	coulomb per square metre	C/m²	m^–2 s A
electric flux density, electric displacement	coulomb per square metre	C/m²	m^–2 s A
permittivity	farad per metre	F/m	m^–3 kg^–1 s⁴ A²
permeability	henry per metre	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 -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 metre steradian	W/(m² sr)	m² m^–2 kg s^–3 = kg s^–3
catalytic activity concentration	katal per cubic metre	kat/m³	m^–3 s^–1 mol