12 Amps to Watts

12 amps is 1,440 watts at 120V (DC). The wattage depends on your circuit voltage.

12 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
144W 122.4W 212W
24V
DC, industrial control
288W 244.8W 424.01W
100V
Japan residential
1,200W 1,020W 1,766.69W
120V
US residential
1,440W 1,224W 2,120.03W
208V
US commercial three-phase
2,496W 2,121.6W 3,674.72W
220V
Legacy international / parts of Asia
2,640W 2,244W 3,886.72W
230V
UK / EU residential
2,760W 2,346W 4,063.39W
240V
US residential (dryer, range, HVAC)
2,880W 2,448W 4,240.06W
277V
US commercial lighting
3,324W 2,825.4W 4,893.74W
400V
UK / EU commercial three-phase
4,800W 4,080W 7,066.77W
460V
US industrial motor (NEC 430.250 column)
5,520W 4,692W 8,126.78W
480V
US industrial three-phase
5,760W 4,896W 8,480.12W
575V
Canadian industrial three-phase
6,900W 5,865W 10,158.48W

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.