Amps to Watts Calculator
Convert amps to watts for DC, single-phase AC and three-phase AC circuits, including the power factor.
Result
Power
1,800W
- Power
- 1.8kW
- Safe continuous load on this circuit (80%)
- 1,440W
Common questions
How many watts can a 15 amp circuit handle?
1,800 watts at 120 V, but only 1,440 watts for loads that run for three hours or more (the 80% rule).