42.15 Amps to Watts

42.15 amps is 5,058 watts at 120V (DC). The wattage depends on your circuit voltage.

42.15 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
505.8W 429.93W 744.66W
24V
DC, industrial control
1,011.6W 859.86W 1,489.32W
100V
Japan residential
4,215W 3,582.75W 6,205.51W
120V
US residential
5,058W 4,299.3W 7,446.61W
208V
US commercial three-phase
8,767.2W 7,452.12W 12,907.45W
220V
Legacy international / parts of Asia
9,273W 7,882.05W 13,652.11W
230V
UK / EU residential
9,694.5W 8,240.32W 14,272.66W
240V
US residential (dryer, range, HVAC)
10,116W 8,598.6W 14,893.21W
277V
US commercial lighting
11,675.55W 9,924.22W 17,189.25W
400V
UK / EU commercial three-phase
16,860W 14,331W 24,822.02W
460V
US industrial motor (NEC 430.250 column)
19,389W 16,480.65W 28,545.32W
480V
US industrial three-phase
20,232W 17,197.2W 29,786.42W
575V
Canadian industrial three-phase
24,236.25W 20,600.81W 35,681.65W

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.