42.4 Amps to Watts

42.4 amps is 5,088 watts at 120V (DC). The wattage depends on your circuit voltage.

42.4 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
508.8W 432.48W 749.08W
24V
DC, industrial control
1,017.6W 864.96W 1,498.15W
100V
Japan residential
4,240W 3,604W 6,242.31W
120V
US residential
5,088W 4,324.8W 7,490.77W
208V
US commercial three-phase
8,819.2W 7,496.32W 12,984.01W
220V
Legacy international / parts of Asia
9,328W 7,928.8W 13,733.08W
230V
UK / EU residential
9,752W 8,289.2W 14,357.32W
240V
US residential (dryer, range, HVAC)
10,176W 8,649.6W 14,981.55W
277V
US commercial lighting
11,744.8W 9,983.08W 17,291.2W
400V
UK / EU commercial three-phase
16,960W 14,416W 24,969.24W
460V
US industrial motor (NEC 430.250 column)
19,504W 16,578.4W 28,714.63W
480V
US industrial three-phase
20,352W 17,299.2W 29,963.09W
575V
Canadian industrial three-phase
24,380W 20,723W 35,893.29W

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.