42.05 Amps to Watts

42.05 amps is 5,046 watts at 120V (DC). The wattage depends on your circuit voltage.

42.05 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
504.6W 428.91W 742.89W
24V
DC, industrial control
1,009.2W 857.82W 1,485.79W
100V
Japan residential
4,205W 3,574.25W 6,190.78W
120V
US residential
5,046W 4,289.1W 7,428.94W
208V
US commercial three-phase
8,746.4W 7,434.44W 12,876.83W
220V
Legacy international / parts of Asia
9,251W 7,863.35W 13,619.72W
230V
UK / EU residential
9,671.5W 8,220.78W 14,238.8W
240V
US residential (dryer, range, HVAC)
10,092W 8,578.2W 14,857.88W
277V
US commercial lighting
11,647.85W 9,900.67W 17,148.47W
400V
UK / EU commercial three-phase
16,820W 14,297W 24,763.13W
460V
US industrial motor (NEC 430.250 column)
19,343W 16,441.55W 28,477.6W
480V
US industrial three-phase
20,184W 17,156.4W 29,715.76W
575V
Canadian industrial three-phase
24,178.75W 20,551.94W 35,597W

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.