SI-Derived Units - Electrical & Computer Engineering

Physical Quantity	Name	Symbol	Expressed in SI Base Units
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, heat	joule	J	N m = m² kg s^-2
power, radiant flux	watt	W	J s-1 = m² kg s^-3
electrical charge	coulomb	C	A s
electrical potential, electromotive force	volt	V	J C-1 = m² kg s^-3 A^-1
electrical resistance	ohm	Ω	V A^-1 = m² kg s^-3 A^-2
electric conductance	siemens	S	ohm^-1 = m^-2 kg^-1 s³ A²
electical capacitance	farad	F	C V^-1 = m^-2 kg^-1 s⁴ A²
magnetic flux density	tesla	T	V s m^-2 = kg s^-2 A^-1
magnetic flux	weber	Wb	V s = m² kg s^-2 A^-1
inductance	henry	H	V A^-1 s = m² kg s^-2 A^-2
luminous flux	lumen	lm	cd sr
illuminance	lux	lx	cd sr m^-2
radioactive activity	becquerel	bq	s^-1
absorbed dose of radiation	gray	Gy	J kg^-1 = m² s^-2
dose equivalent of radiation	sievert	Sv	J kg^-1 = m² s^-2
plane angle	radian	rad	1 m m^-1
solid angle	steradian	sr	1 m² m^-2
area	square metre	A	m²
volume	cubic metre	V	m³
speed, velocity	metre per second	v	m/s
acceleration	metre per second squared	a	m/s²
wavenumber	reciprocal metre	σ	m^–1
density, mass density	kilogram per cubic metre	ρ	kg/m³
surface density	kilogram per square metre	ρ_A	kg/m²
specific volume	cubic metre per kilogram	v	m³/kg
current density	ampere per square metre	j	A/m²
magnetic field strength	ampere per metre	H	A/m
concentration	mole per cubic metre	c	mol/m³
mass concentration	kilogram per cubic metre	ρ, γ	kg/m³
luminance	candela per square metre	L_v	cd/m²
refractive index	one	n	1
relative permeability	one	µ_r	1