42.02 Amps to Watts

42.02 amps is 5,042.4 watts at 120V (DC). The wattage depends on your circuit voltage.

42.02 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
504.24W 428.6W 742.36W
24V
DC, industrial control
1,008.48W 857.21W 1,484.73W
100V
Japan residential
4,202W 3,571.7W 6,186.37W
120V
US residential
5,042.4W 4,286.04W 7,423.64W
208V
US commercial three-phase
8,740.16W 7,429.14W 12,867.64W
220V
Legacy international / parts of Asia
9,244.4W 7,857.74W 13,610W
230V
UK / EU residential
9,664.6W 8,214.91W 14,228.64W
240V
US residential (dryer, range, HVAC)
10,084.8W 8,572.08W 14,847.28W
277V
US commercial lighting
11,639.54W 9,893.61W 17,136.23W
400V
UK / EU commercial three-phase
16,808W 14,286.8W 24,745.46W
460V
US industrial motor (NEC 430.250 column)
19,329.2W 16,429.82W 28,457.28W
480V
US industrial three-phase
20,169.6W 17,144.16W 29,694.56W
575V
Canadian industrial three-phase
24,161.5W 20,537.27W 35,571.6W

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.