Power Calculator

Guide to Standard Units
Kilo Volt Amps: kVA
KiloWatts: kW
Amps: I
Volts: E
Power Factor: PE
Percent Efficiency: %EFF
Horse Power: HP
Power Requirement Calculator
Phase Required
1
3
Volts Required (V)
Amps per Phase (I)
Power Factor
0.8
1.0
=
Power (kW)
Converting kW to kVA
kW
=
kVA
Converting kVA to kW
Calculate Required Generator Size
Phase Required
1
3
Volts Required
Amps per Phase
Power Factor
Generator Power (kW)
= Generator Power (kVA)
Calculate Required UPS Size
Phase Required
1
3
Volts Required
Amps per Phase
Power Factor
0.8
0.9
0.95

 

Generator Power (kW)
= Generator Power (kVA)
75% Continuous Load (kVA)
Converting kW to HP
kW
=
HP
Genset Size Required to Start a 3 Phase Electric Motor
HP of Motor
=
Generator kVA Required
Calculating Amps (where kVA is known)
Phase Required
Generator kVA
Volts Required
=
Amps