427 Watts to Amps

427 watts is 3.56 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

427 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
35.58A 41.86A 24.17A
24V
DC, industrial control
17.79A 20.93A 12.08A
100V
Japan residential
4.27A 5.02A 2.9A
120V
US residential
3.56A 4.19A 2.42A
208V
US commercial three-phase
2.05A 2.42A 1.39A
220V
Legacy international / parts of Asia
1.94A 2.28A 1.32A
230V
UK / EU residential
1.86A 2.18A 1.26A
240V
US residential (dryer, range, HVAC)
1.78A 2.09A 1.21A
277V
US commercial lighting
1.54A 1.81A 1.05A
400V
UK / EU commercial three-phase
1.07A 1.26A 0.7251A
460V
US industrial motor (NEC 430.250 column)
0.9283A 1.09A 0.6305A
480V
US industrial three-phase
0.8896A 1.05A 0.6042A
575V
Canadian industrial three-phase
0.7426A 0.8737A 0.5044A

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.