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GeneratorCalc
Simple calculators for backup power & energy use
Quick summary
This calculator turns generator watts and run time into kilowatt-hours (kWh), the same unit your electric bill uses.
Enter generator watts, load percentage, and hours of run time to estimate energy output.
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GeneratorCalc
Simple calculators & guides for backup power
Generator kilowatt-hour (kWh) output calculator
Use this calculator to estimate how many kilowatt-hours your generator produces over a period of time.
It is helpful when you want to compare generator energy use and cost against your normal utility power.
Generator kWh output
Estimate energy in kilowatt-hours (kWh) based on load and hours of run time.
For more planning tools, you can also use the other calculators and guides on the
GeneratorCalc home page.
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