1,020 Amps to Watts

1,020 amps is 122,400 watts at 120V (DC). The wattage depends on your circuit voltage.

1,020 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
12,240W 10,404W 18,020.26W
24V
DC, industrial control
24,480W 20,808W 36,040.51W
100V
Japan residential
102,000W 86,700W 150,168.81W
120V
US residential
122,400W 104,040W 180,202.57W
208V
US commercial three-phase
212,160W 180,336W 312,351.11W
220V
Legacy international / parts of Asia
224,400W 190,740W 330,371.37W
230V
UK / EU residential
234,600W 199,410W 345,388.25W
240V
US residential (dryer, range, HVAC)
244,800W 208,080W 360,405.13W
277V
US commercial lighting
282,540W 240,159W 415,967.59W
400V
UK / EU commercial three-phase
408,000W 346,800W 600,675.22W
460V
US industrial motor (NEC 430.250 column)
469,200W 398,820W 690,776.5W
480V
US industrial three-phase
489,600W 416,160W 720,810.26W
575V
Canadian industrial three-phase
586,500W 498,525W 863,470.63W

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.