31.15 Amps to Watts

31.15 amps is 3,738 watts at 120V (DC). The wattage depends on your circuit voltage.

31.15 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
373.8W 317.73W 550.32W
24V
DC, industrial control
747.6W 635.46W 1,100.65W
100V
Japan residential
3,115W 2,647.75W 4,586.04W
120V
US residential
3,738W 3,177.3W 5,503.25W
208V
US commercial three-phase
6,479.2W 5,507.32W 9,538.96W
220V
Legacy international / parts of Asia
6,853W 5,825.05W 10,089.28W
230V
UK / EU residential
7,164.5W 6,089.83W 10,547.89W
240V
US residential (dryer, range, HVAC)
7,476W 6,354.6W 11,006.49W
277V
US commercial lighting
8,628.55W 7,334.27W 12,703.32W
400V
UK / EU commercial three-phase
12,460W 10,591W 18,344.15W
460V
US industrial motor (NEC 430.250 column)
14,329W 12,179.65W 21,095.77W
480V
US industrial three-phase
14,952W 12,709.2W 22,012.98W
575V
Canadian industrial three-phase
17,911.25W 15,224.56W 26,369.72W

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.