42.58 Amps to Watts

42.58 amps is 5,109.6 watts at 120V (DC). The wattage depends on your circuit voltage.

42.58 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
510.96W 434.32W 752.26W
24V
DC, industrial control
1,021.92W 868.63W 1,504.51W
100V
Japan residential
4,258W 3,619.3W 6,268.81W
120V
US residential
5,109.6W 4,343.16W 7,522.57W
208V
US commercial three-phase
8,856.64W 7,528.14W 13,039.13W
220V
Legacy international / parts of Asia
9,367.6W 7,962.46W 13,791.39W
230V
UK / EU residential
9,793.4W 8,324.39W 14,418.27W
240V
US residential (dryer, range, HVAC)
10,219.2W 8,686.32W 15,045.15W
277V
US commercial lighting
11,794.66W 10,025.46W 17,364.61W
400V
UK / EU commercial three-phase
17,032W 14,477.2W 25,075.25W
460V
US industrial motor (NEC 430.250 column)
19,586.8W 16,648.78W 28,836.53W
480V
US industrial three-phase
20,438.4W 17,372.64W 30,090.3W
575V
Canadian industrial three-phase
24,483.5W 20,810.98W 36,045.67W

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.