31.18 Amps to Watts

31.18 amps is 3,741.6 watts at 120V (DC). The wattage depends on your circuit voltage.

31.18 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
374.16W 318.04W 550.85W
24V
DC, industrial control
748.32W 636.07W 1,101.71W
100V
Japan residential
3,118W 2,650.3W 4,590.45W
120V
US residential
3,741.6W 3,180.36W 5,508.55W
208V
US commercial three-phase
6,485.44W 5,512.62W 9,548.14W
220V
Legacy international / parts of Asia
6,859.6W 5,830.66W 10,099W
230V
UK / EU residential
7,171.4W 6,095.69W 10,558.04W
240V
US residential (dryer, range, HVAC)
7,483.2W 6,360.72W 11,017.09W
277V
US commercial lighting
8,636.86W 7,341.33W 12,715.56W
400V
UK / EU commercial three-phase
12,472W 10,601.2W 18,361.82W
460V
US industrial motor (NEC 430.250 column)
14,342.8W 12,191.38W 21,116.09W
480V
US industrial three-phase
14,966.4W 12,721.44W 22,034.18W
575V
Canadian industrial three-phase
17,928.5W 15,239.23W 26,395.11W

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.