1,090 Watts to Amps

1,090 watts is 9.08 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

1,090 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
90.83A 106.86A 61.7A
24V
DC, industrial control
45.42A 53.43A 30.85A
100V
Japan residential
10.9A 12.82A 7.4A
120V
US residential
9.08A 10.69A 6.17A
208V
US commercial three-phase
5.24A 6.17A 3.56A
220V
Legacy international / parts of Asia
4.95A 5.83A 3.37A
230V
UK / EU residential
4.74A 5.58A 3.22A
240V
US residential (dryer, range, HVAC)
4.54A 5.34A 3.08A
277V
US commercial lighting
3.94A 4.63A 2.67A
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.