1.28 Amps to Watts

1.28 amps is 153.6 watts at 120V (DC). The wattage depends on your circuit voltage.

1.28 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
15.36W 13.06W 22.61W
24V
DC, industrial control
30.72W 26.11W 45.23W
100V
Japan residential
128W 108.8W 188.45W
120V
US residential
153.6W 130.56W 226.14W
208V
US commercial three-phase
266.24W 226.3W 391.97W
220V
Legacy international / parts of Asia
281.6W 239.36W 414.58W
230V
UK / EU residential
294.4W 250.24W 433.43W
240V
US residential (dryer, range, HVAC)
307.2W 261.12W 452.27W
277V
US commercial lighting
354.56W 301.38W 522W
400V
UK / EU commercial three-phase
512W 435.2W 753.79W
460V
US industrial motor (NEC 430.250 column)
588.8W 500.48W 866.86W
480V
US industrial three-phase
614.4W 522.24W 904.55W
575V
Canadian industrial three-phase
736W 625.6W 1,083.57W

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.