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GeneratorCalc
Simple calculators for backup power & energy use
Quick summary
This quick converter helps you translate between amps, watts, and volts when planning what your generator can safely run.
Enter any two values and the calculator will fill in the missing number, using the basic formula P = V × I.
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GeneratorCalc
Simple calculators & guides for backup power
Amps, watts, and volts converter for generators
This converter helps you move between amps, watts, and volts when checking how much load you are putting on a generator circuit.
It’s useful when all you know is breaker amps or device watts and you want to see the equivalent values at 120V or 240V.
Amps, watts, and volts converter
Enter any two values and the calculator will estimate the missing third value using P = V × I.
For more planning tools, you can also use the other calculators and guides on the
GeneratorCalc home page.
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