15 Amps to Watts

15 amps is 1,800 watts at 120V (DC). The wattage depends on your circuit voltage.

15 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
180W 153W 265W
24V
DC, industrial control
360W 306W 530.01W
100V
Japan residential
1,500W 1,275W 2,208.36W
120V
US residential
1,800W 1,530W 2,650.04W
208V
US commercial three-phase
3,120W 2,652W 4,593.4W
220V
Legacy international / parts of Asia
3,300W 2,805W 4,858.4W
230V
UK / EU residential
3,450W 2,932.5W 5,079.24W
240V
US residential (dryer, range, HVAC)
3,600W 3,060W 5,300.08W
277V
US commercial lighting
4,155W 3,531.75W 6,117.17W
400V
UK / EU commercial three-phase
6,000W 5,100W 8,833.46W
460V
US industrial motor (NEC 430.250 column)
6,900W 5,865W 10,158.48W
480V
US industrial three-phase
7,200W 6,120W 10,600.15W
575V
Canadian industrial three-phase
8,625W 7,331.25W 12,698.1W

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.