150 Amps to Watts

150 amps is 18,000 watts at 120V (DC). The wattage depends on your circuit voltage.

150 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
1,800W 1,530W 2,650.04W
24V
DC, industrial control
3,600W 3,060W 5,300.08W
100V
Japan residential
15,000W 12,750W 22,083.65W
120V
US residential
18,000W 15,300W 26,500.38W
208V
US commercial three-phase
31,200W 26,520W 45,933.99W
220V
Legacy international / parts of Asia
33,000W 28,050W 48,584.03W
230V
UK / EU residential
34,500W 29,325W 50,792.39W
240V
US residential (dryer, range, HVAC)
36,000W 30,600W 53,000.75W
277V
US commercial lighting
41,550W 35,317.5W 61,171.7W
400V
UK / EU commercial three-phase
60,000W 51,000W 88,334.59W
460V
US industrial motor (NEC 430.250 column)
69,000W 58,650W 101,584.78W
480V
US industrial three-phase
72,000W 61,200W 106,001.51W
575V
Canadian industrial three-phase
86,250W 73,312.5W 126,980.97W

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.