3.1 Amps to Watts

3.1 amps is 372 watts at 120V (DC). The wattage depends on your circuit voltage.

3.1 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
37.2W 31.62W 54.77W
24V
DC, industrial control
74.4W 63.24W 109.53W
100V
Japan residential
310W 263.5W 456.4W
120V
US residential
372W 316.2W 547.67W
208V
US commercial three-phase
644.8W 548.08W 949.3W
220V
Legacy international / parts of Asia
682W 579.7W 1,004.07W
230V
UK / EU residential
713W 606.05W 1,049.71W
240V
US residential (dryer, range, HVAC)
744W 632.4W 1,095.35W
277V
US commercial lighting
858.7W 729.9W 1,264.22W
400V
UK / EU commercial three-phase
1,240W 1,054W 1,825.58W
460V
US industrial motor (NEC 430.250 column)
1,426W 1,212.1W 2,099.42W
480V
US industrial three-phase
1,488W 1,264.8W 2,190.7W
575V
Canadian industrial three-phase
1,782.5W 1,515.13W 2,624.27W

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.