42.43 Amps to Watts

42.43 amps is 5,091.6 watts at 120V (DC). The wattage depends on your circuit voltage.

42.43 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
509.16W 432.79W 749.61W
24V
DC, industrial control
1,018.32W 865.57W 1,499.21W
100V
Japan residential
4,243W 3,606.55W 6,246.73W
120V
US residential
5,091.6W 4,327.86W 7,496.07W
208V
US commercial three-phase
8,825.44W 7,501.62W 12,993.19W
220V
Legacy international / parts of Asia
9,334.6W 7,934.41W 13,742.8W
230V
UK / EU residential
9,758.9W 8,295.06W 14,367.47W
240V
US residential (dryer, range, HVAC)
10,183.2W 8,655.72W 14,992.15W
277V
US commercial lighting
11,753.11W 9,990.14W 17,303.44W
400V
UK / EU commercial three-phase
16,972W 14,426.2W 24,986.91W
460V
US industrial motor (NEC 430.250 column)
19,517.8W 16,590.13W 28,734.95W
480V
US industrial three-phase
20,366.4W 17,311.44W 29,984.29W
575V
Canadian industrial three-phase
24,397.25W 20,737.66W 35,918.69W

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.