1,057 Watts to Amps

1,057 watts is 8.81 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

1,057 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
88.08A 103.63A 59.83A
24V
DC, industrial control
44.04A 51.81A 29.91A
100V
Japan residential
10.57A 12.44A 7.18A
120V
US residential
8.81A 10.36A 5.98A
208V
US commercial three-phase
5.08A 5.98A 3.45A
220V
Legacy international / parts of Asia
4.8A 5.65A 3.26A
230V
UK / EU residential
4.6A 5.41A 3.12A
240V
US residential (dryer, range, HVAC)
4.4A 5.18A 2.99A
277V
US commercial lighting
3.82A 4.49A 2.59A
400V
UK / EU commercial three-phase
2.64A 3.11A 1.79A
460V
US industrial motor (NEC 430.250 column)
2.3A 2.7A 1.56A
480V
US industrial three-phase
2.2A 2.59A 1.5A
575V
Canadian industrial three-phase
1.84A 2.16A 1.25A

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.