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Watts to Amps Calculator

Convert watts to amps for DC, single-phase AC and three-phase AC circuits, with the power factor, to size breakers and wires.

Result

Current

12.5A

Breaker size for a continuous load (80% rule)
15.6A
Apparent power
1.5kVA

Common questions

How many amps is 1500 watts?

At 120 V, 12.5 amps. At 240 V, 6.25 amps.