Generator Power Calculator

Calculate the Real Power (kW) and Apparent Power (kVA) capabilities of your generator based on its current and voltage ratings.

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Configuration

Calculated Power

-- kW
Real Power: -- kW
Apparent Power: -- kVA
Amperage: -- A
--

Common Generator Sizes (at 0.8 PF)

Generator Size (kW) kVA Amps @ 120V (1Ø) Amps @ 240V (1Ø) Amps @ 208V (3Ø) Amps @ 480V (3Ø)
5 kW6.2541.7 A20.8 A--
10 kW12.583.3 A41.7 A34.7 A15.0 A
20 kW25.0166.7 A83.3 A69.4 A30.1 A
50 kW62.5416.7 A208.3 A173.5 A75.2 A
100 kW125.0833.3 A416.7 A347.0 A150.4 A