GeneratorSizeCalculator

Generator Size Calculator — Generator size (watts) derived from Appliance watts, starting surge. Choosing a backup generator..

Appliance watts

Appliance watts is required

starting surge

starting surge is required

Enter the values above to see your result.

Generator Size Calculator — Generator size (watts) derived from Appliance watts, starting surge. Choosing a backup generator..

Formula

generatorSizeWatts = applianceWatts + startingSurge

Related calculators