240 Amps to Watts

240 amps is 28,800 watts at 120V (DC). The wattage depends on your circuit voltage.

240 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
2,880W 2,448W 4,240.06W
24V
DC, industrial control
5,760W 4,896W 8,480.12W
100V
Japan residential
24,000W 20,400W 35,333.84W
120V
US residential
28,800W 24,480W 42,400.6W
208V
US commercial three-phase
49,920W 42,432W 73,494.38W
220V
Legacy international / parts of Asia
52,800W 44,880W 77,734.44W
230V
UK / EU residential
55,200W 46,920W 81,267.82W
240V
US residential (dryer, range, HVAC)
57,600W 48,960W 84,801.21W
277V
US commercial lighting
66,480W 56,508W 97,874.73W
400V
UK / EU commercial three-phase
96,000W 81,600W 141,335.35W
460V
US industrial motor (NEC 430.250 column)
110,400W 93,840W 162,535.65W
480V
US industrial three-phase
115,200W 97,920W 169,602.42W
575V
Canadian industrial three-phase
138,000W 117,300W 203,169.56W

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.