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Why are generators rated in watts when most electric tools are labeled in amps?

April 26, 2017amps electric generators labeled rated tools watts

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Why are generators rated in watts when most electric tools are labeled in amps?

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Generators are rated by output in wattage which takes into account the amperage at both 120 and 240 volts. NOTE: Volts x Amps = Watts (i.e.: 120 volts x 10 amps = 1200 watts) OR Watts/Volts = Amps. For example, a 5000 watt rated generator is capable of producing 20.8 Amps @ 240 Volts or 41.6 amps @ 120 volts. See the following chart for power ratings for common household appliances.