Quantity 
Unit 
Expression 


Name 
Symbol 
In other SI units 
In terms of SI base units 
Plane angle 
radian 
rad 

m.m^{1} 
Solid angle 
steradian 
sr 

m^{2}.m^{2} 
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; quantity of heat 
joule 
J 
N.m 
m^{2}.kg.s^{2} 
Power^{(1)}, radiant flux 
watt 
W 
J.s^{1} 
m^{2}.kg.s^{3} 
Quantity of electricity, electric charge 
coulomb 
C 

s.A 
Electric potential, potential difference, electromotive force 
volt 
V 
W.A^{1} 
m^{2}.kg.s^{3}.A^{1} 
Electric resistance 
ohm 
Ω 
V.A^{1} 
m^{2}.kg.s^{3}.A^{2} 
Conductance 
siemens 
S 
A.V^{1} 
m^{2}.kg^{1}.s^{3}.A^{2} 
Capacitance 
farad 
F 
C.V^{1} 
m^{2}.kg^{1}.s^{4}.A^{2} 
Magnetic flux 
weber 
Wb 
V.s 
m^{2}.kg.s^{2}.A^{1} 
Magnetic flux density 
tesla 
T 
Wb.m^{2} 
kg.s^{2}.A^{1} 
Inductance 
henry 
H 
Wb.A^{1} 
m^{2}.kg.s^{2}.A^{2} 
Luminous flux 
lumen 
lm 
cd.sr 
cd 
Illuminance 
lux 
lx 
lm.m^{2} 
m^{2}.cd 
Activity (of a radionuclide) 
becquerel 
Bq 

s^{1} 
Absorbed dose, specific energy imparted, kerma, absorbed dose index 
gray 
Gy 
J.kg^{1} 
m^{2}.s^{2} 
Dose equivalent 
sievert 
Sv 
J.kg^{1} 
m^{2}.s^{2} 
Catalytic activity 
katal 
kat 

mol.s^{1} 