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ELECTRICAL

Generator Size Calculator

Estimate generator apparent power from real load and power factor.

Transparent calculationFormula and assumptions shown
01

Enter your values

02

Your result

Generator size120kVA
FORMULA USEDS = P / PF
METHOD

How this calculation works

The calculator substitutes your values into the stated engineering relationship and evaluates the result using the displayed units. Change any input to recalculate instantly.

Important

This is an idealised engineering calculation. Confirm material properties, loading conditions and applicable design factors before specification or construction.