SkyScopes

SI Derived Units

Quantity	SI derived unit
Quantity	Name		in terms of other units...	Expression in terms of SI base units
plane angle	radian ^(a)	rad		m^.m^-1 = 1 ^(b)
solid angle	steradian ^(a)	sr ^(c)		m^2.m^-2 = 1 ^(b)
frequency	hertz	Hz		s^-1
force	newton	N		m^.kg^.s^-2
pressure, stress	pascal	Pa	N/m²	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, quantity 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.A²
electric resistance	ohm	W	V/A	m^2.kg^.s^-3.A^-2
electric conductance	siemens	S	A/V	m^-2.kg^-1.s^3.A²
magnetic flux	weber	Wb	V^.s	m^2.kg^.s^-2.A^-1
magnetic flux density	tesla	T	Wb/m²	kg^.s^-2.A^-1
inductance	henry	H	Wb/A	m^2. kg^.s^-2.A^-2
Celsius temperature	degree Celsius^(d)	ŸC		K
luminous flux	lumen	lm	cd^.sr ^(c)	m^2.m^-2.cd = cd
illuminance	lux	lx	lm/m²	m^2.m^-4.cd = m^-2.cd
activity (referred to a radionuclide)	becquerel	Bq		s^-1
absorbed dose, specific energy (imparted), kerma	gray	Gy	J/kg	m^2.s^-2
dose equivalent, ambient dose equivalent, directional dose equivalent, personal dose equivalent, organ equivalent dose	sievert	Sv	J/kg	m^2.s^-2