1,089 Watts to Amps

1,089 watts is 9.08 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

1,089 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
90.75A 106.76A 61.64A
24V
DC, industrial control
45.38A 53.38A 30.82A
100V
Japan residential
10.89A 12.81A 7.4A
120V
US residential
9.08A 10.68A 6.16A
208V
US commercial three-phase
5.24A 6.16A 3.56A
220V
Legacy international / parts of Asia
4.95A 5.82A 3.36A
230V
UK / EU residential
4.73A 5.57A 3.22A
240V
US residential (dryer, range, HVAC)
4.54A 5.34A 3.08A
277V
US commercial lighting
3.93A 4.63A 2.67A
400V
UK / EU commercial three-phase
2.72A 3.2A 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
1.89A 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.