42.42 Amps to Watts

42.42 amps is 5,090.4 watts at 120V (DC). The wattage depends on your circuit voltage.

42.42 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
509.04W 432.68W 749.43W
24V
DC, industrial control
1,018.08W 865.37W 1,498.86W
100V
Japan residential
4,242W 3,605.7W 6,245.26W
120V
US residential
5,090.4W 4,326.84W 7,494.31W
208V
US commercial three-phase
8,823.36W 7,499.86W 12,990.13W
220V
Legacy international / parts of Asia
9,332.4W 7,932.54W 13,739.56W
230V
UK / EU residential
9,756.6W 8,293.11W 14,364.09W
240V
US residential (dryer, range, HVAC)
10,180.8W 8,653.68W 14,988.61W
277V
US commercial lighting
11,750.34W 9,987.79W 17,299.36W
400V
UK / EU commercial three-phase
16,968W 14,422.8W 24,981.02W
460V
US industrial motor (NEC 430.250 column)
19,513.2W 16,586.22W 28,728.18W
480V
US industrial three-phase
20,361.6W 17,307.36W 29,977.23W
575V
Canadian industrial three-phase
24,391.5W 20,732.77W 35,910.22W

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.