Inverter Generator Sizing Calculator
Size quiet, fuel-efficient inverter generators for camping or home backup.
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Circuit Details
A
V
Calculated Power
--
kW
Apparent Power
-- kVA
Calculation
--
How to Convert Amps to Kilowatts
The conversion depends on your electrical system type (DC vs AC) and the Power Factor (efficiency) of the load.
DC Circuits
Batteries, Solar, Automotive
kW = (I × V) / 1000
AC Single-Phase
Household Outlets (120V/240V)
kW = (I × V × PF) / 1000
AC Three-Phase
Industrial / Commercial
kW = (I × V × PF × √3) / 1000
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