1,091 Watts to Amps

1,091 watts is 9.09 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

1,091 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
90.92A 106.96A 61.75A
24V
DC, industrial control
45.46A 53.48A 30.88A
100V
Japan residential
10.91A 12.84A 7.41A
120V
US residential
9.09A 10.7A 6.18A
208V
US commercial three-phase
5.25A 6.17A 3.56A
220V
Legacy international / parts of Asia
4.96A 5.83A 3.37A
230V
UK / EU residential
4.74A 5.58A 3.22A
240V
US residential (dryer, range, HVAC)
4.55A 5.35A 3.09A
277V
US commercial lighting
3.94A 4.63A 2.68A
400V
UK / EU commercial three-phase
2.73A 3.21A 1.85A
460V
US industrial motor (NEC 430.250 column)
2.37A 2.79A 1.61A
480V
US industrial three-phase
2.27A 2.67A 1.54A
575V
Canadian industrial three-phase
1.9A 2.23A 1.29A

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.