1. Determine the voltage. You can do the math if you know either watts or amps, but you need the voltage to do it. North American wall outlets operate at 110 volts, whereas those
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1. Familiarize yourself with the quantities involved. To understand the relationship between watts and amps, you will need to understand 3 different units: watts, amps, and volts.
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divide by volts.
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The conversion of Amps to Watts is governed by the equation Watts = Amps x
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