12.5 Amps to Watts

12.5 amps is 1,500 watts at 120V (DC). The wattage depends on your circuit voltage.

12.5 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
150W 127.5W 220.84W
24V
DC, industrial control
300W 255W 441.67W
100V
Japan residential
1,250W 1,062.5W 1,840.3W
120V
US residential
1,500W 1,275W 2,208.36W
208V
US commercial three-phase
2,600W 2,210W 3,827.83W
220V
Legacy international / parts of Asia
2,750W 2,337.5W 4,048.67W
230V
UK / EU residential
2,875W 2,443.75W 4,232.7W
240V
US residential (dryer, range, HVAC)
3,000W 2,550W 4,416.73W
277V
US commercial lighting
3,462.5W 2,943.13W 5,097.64W
400V
UK / EU commercial three-phase
5,000W 4,250W 7,361.22W
460V
US industrial motor (NEC 430.250 column)
5,750W 4,887.5W 8,465.4W
480V
US industrial three-phase
6,000W 5,100W 8,833.46W
575V
Canadian industrial three-phase
7,187.5W 6,109.38W 10,581.75W

Other Amperages

This calculator provides estimates for reference purposes only. Always consult a licensed electrician and verify compliance with the National Electrical Code (NEC) and local electrical codes before performing any electrical work.