Sump Pump Generator Sizing Calculator

Calculate the starting and running watts needed for sump pumps.

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Circuit Details

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V

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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