422 Watts to Amps

422 watts is 3.52 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

422 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
35.17A 41.37A 23.89A
24V
DC, industrial control
17.58A 20.69A 11.94A
100V
Japan residential
4.22A 4.96A 2.87A
120V
US residential
3.52A 4.14A 2.39A
208V
US commercial three-phase
2.03A 2.39A 1.38A
220V
Legacy international / parts of Asia
1.92A 2.26A 1.3A
230V
UK / EU residential
1.83A 2.16A 1.25A
240V
US residential (dryer, range, HVAC)
1.76A 2.07A 1.19A
277V
US commercial lighting
1.52A 1.79A 1.03A
400V
UK / EU commercial three-phase
1.06A 1.24A 0.7166A
460V
US industrial motor (NEC 430.250 column)
0.9174A 1.08A 0.6231A
480V
US industrial three-phase
0.8792A 1.03A 0.5972A
575V
Canadian industrial three-phase
0.7339A 0.8634A 0.4985A

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.