Amps to Watts Converter
Formula
Watts = Amps × Volts
Multiply amps by voltage to get watts (power). A 15A circuit at 120V can handle 1,800 watts.
Frequently Asked Questions
How many watts can a 15 amp circuit handle?
15A × 120V = 1,800W maximum (use 80% rule: 1,440W for continuous loads).