42.71 Amps to Watts

42.71 amps is 5,125.2 watts at 120V (DC). The wattage depends on your circuit voltage.

42.71 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
512.52W 435.64W 754.55W
24V
DC, industrial control
1,025.04W 871.28W 1,509.11W
100V
Japan residential
4,271W 3,630.35W 6,287.95W
120V
US residential
5,125.2W 4,356.42W 7,545.54W
208V
US commercial three-phase
8,883.68W 7,551.13W 13,078.94W
220V
Legacy international / parts of Asia
9,396.2W 7,986.77W 13,833.49W
230V
UK / EU residential
9,823.3W 8,349.81W 14,462.29W
240V
US residential (dryer, range, HVAC)
10,250.4W 8,712.84W 15,091.08W
277V
US commercial lighting
11,830.67W 10,056.07W 17,417.62W
400V
UK / EU commercial three-phase
17,084W 14,521.4W 25,151.8W
460V
US industrial motor (NEC 430.250 column)
19,646.6W 16,699.61W 28,924.57W
480V
US industrial three-phase
20,500.8W 17,425.68W 30,182.16W
575V
Canadian industrial three-phase
24,558.25W 20,874.51W 36,155.72W

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.