42.9 Amps to Watts

42.9 amps is 5,148 watts at 120V (DC). The wattage depends on your circuit voltage.

42.9 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
514.8W 437.58W 757.91W
24V
DC, industrial control
1,029.6W 875.16W 1,515.82W
100V
Japan residential
4,290W 3,646.5W 6,315.92W
120V
US residential
5,148W 4,375.8W 7,579.11W
208V
US commercial three-phase
8,923.2W 7,584.72W 13,137.12W
220V
Legacy international / parts of Asia
9,438W 8,022.3W 13,895.03W
230V
UK / EU residential
9,867W 8,386.95W 14,526.62W
240V
US residential (dryer, range, HVAC)
10,296W 8,751.6W 15,158.22W
277V
US commercial lighting
11,883.3W 10,100.8W 17,495.11W
400V
UK / EU commercial three-phase
17,160W 14,586W 25,263.69W
460V
US industrial motor (NEC 430.250 column)
19,734W 16,773.9W 29,053.25W
480V
US industrial three-phase
20,592W 17,503.2W 30,316.43W
575V
Canadian industrial three-phase
24,667.5W 20,967.38W 36,316.56W

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.