Useful Generator Set Power Conversion Formula

*Shortcut conversion for 3 Phase, 415V, 50Hz, 0.8PF voltage supply only.

Shortcut conversion for 3 Phase, 415V, 50Hz, 0.8PF voltage supply only.

kVA = kW x 1.25
  = I x 0.72

kW = kVA x 0.8
   = I x 0.58

I = kVA x 1.39
 = kW x 1.74

Found your kVA to kW?

Explore our genset rental (10 kVA–8000 kVA) for your project.

kVAkWA
547
10814
504070
10080139
150120208
200160278
250200348
300240417
350280487
400320556
450360626
kVAkWA
500400696
550440765
600480835
650520904
700560974
7506001043
8006401113
8506801183
9007201252
9507601322
10008001391
UNITS AND NOTATIONS
ITEMUNIT NAMEUNIT
Voltage, VvoltV
Current, IampereA
Powerkilovolt-AmperekVA
kilowattkW
horsepowerhp
Power FactorPower factorPF
 Efficiency, ηpercentage%
ITEMSINGLE PHASETHREE PHASE
Kilovolt-Ampere (kVA)V× I ÷ 1000 V × I × √3 ÷ 1000
kilowatt (kW)V × I × PF ÷ 1000V × I × √3 × PF ÷ 1000
Ampere (kVA is known)kVA × 1000 ÷ VkVA × 1000 ÷ (V × √3)
Ampere (kW is known)kW × 1000 ÷ (V × PF)kW × 1000 ÷ (V × √3 × PF)
Ampere (hp is known)hp × 746 ÷ (V  × PF × η)hp × 746 ÷ (V × √3 × PF × η)
horsepower (hp)V × I × PF × η ÷ 746V × I × √3 × PF × η ÷ 746

Useful Generator Set Power Conversion Formula

Here is the calculator for you to convert different power units with ease. Click the button below to download.