1,040 Watts to Amps

1,040 watts is 8.67 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

1,040 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
86.67A 101.96A 58.87A
24V
DC, industrial control
43.33A 50.98A 29.43A
100V
Japan residential
10.4A 12.24A 7.06A
120V
US residential
8.67A 10.2A 5.89A
208V
US commercial three-phase
5A 5.88A 3.4A
220V
Legacy international / parts of Asia
4.73A 5.56A 3.21A
230V
UK / EU residential
4.52A 5.32A 3.07A
240V
US residential (dryer, range, HVAC)
4.33A 5.1A 2.94A
277V
US commercial lighting
3.75A 4.42A 2.55A
400V
UK / EU commercial three-phase
2.6A 3.06A 1.77A
460V
US industrial motor (NEC 430.250 column)
2.26A 2.66A 1.54A
480V
US industrial three-phase
2.17A 2.55A 1.47A
575V
Canadian industrial three-phase
1.81A 2.13A 1.23A

Other Wattages

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.