15.5 Amps to Watts

15.5 amps is 1,860 watts at 120V (DC). The wattage depends on your circuit voltage.

15.5 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
186W 158.1W 273.84W
24V
DC, industrial control
372W 316.2W 547.67W
100V
Japan residential
1,550W 1,317.5W 2,281.98W
120V
US residential
1,860W 1,581W 2,738.37W
208V
US commercial three-phase
3,224W 2,740.4W 4,746.51W
220V
Legacy international / parts of Asia
3,410W 2,898.5W 5,020.35W
230V
UK / EU residential
3,565W 3,030.25W 5,248.55W
240V
US residential (dryer, range, HVAC)
3,720W 3,162W 5,476.74W
277V
US commercial lighting
4,293.5W 3,649.48W 6,321.08W
400V
UK / EU commercial three-phase
6,200W 5,270W 9,127.91W
460V
US industrial motor (NEC 430.250 column)
7,130W 6,060.5W 10,497.09W
480V
US industrial three-phase
7,440W 6,324W 10,953.49W
575V
Canadian industrial three-phase
8,912.5W 7,575.63W 13,121.37W

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.