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Derived Units are expressed algebraically in terms of base units and for supplementary units.
Quantity 
Name of derived Units 
Symbol 
Units involved 
Frequency Force Pressure and stress Work, energy, quantity of heat Power Quantity of electricity Electric potential, potential difference, electromotive force Electric capacitanceElectric resistance Electric conductance Magnetic flux, flux of magnetic induction Magnetic flux density, magnetic induction Inductance Luminous flux Illuminance

hertz netwon pascal joule watt coulcomb
volt
farad ohm siemens weber tesla henry lumen lux 
Hz N Pa J W C
V
F W S Wb T H lm lx

1 Hz = 1 s^{1} (1 cycle per second) 1 N = 1 kg m/s^{2} 1 Pa = 1 N/m^{2} 1 J = 1 N m 1 W = 1 J^{/s} 1 C = 1 A s
1 V = 1 W/A
1 F = 1 As/V 1 W = 1 V/A 1 S = 1 W^{1} 1 Wb = 1V s 1 T = 1 Wb/m^{2} 1 H = 1 Vs/A 1 lm = 1 cd sr 1 lx = 1 lm/m^{2} 