1,081 Watts to Amps

1,081 watts is 9.01 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

1,081 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
90.08A 105.98A 61.19A
24V
DC, industrial control
45.04A 52.99A 30.59A
100V
Japan residential
10.81A 12.72A 7.34A
120V
US residential
9.01A 10.6A 6.12A
208V
US commercial three-phase
5.2A 6.11A 3.53A
220V
Legacy international / parts of Asia
4.91A 5.78A 3.34A
230V
UK / EU residential
4.7A 5.53A 3.19A
240V
US residential (dryer, range, HVAC)
4.5A 5.3A 3.06A
277V
US commercial lighting
3.9A 4.59A 2.65A
400V
UK / EU commercial three-phase
2.7A 3.18A 1.84A
460V
US industrial motor (NEC 430.250 column)
2.35A 2.76A 1.6A
480V
US industrial three-phase
2.25A 2.65A 1.53A
575V
Canadian industrial three-phase
1.88A 2.21A 1.28A

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.