477 Watts to Amps

477 watts is 3.98 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

477 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
39.75A 46.76A 27A
24V
DC, industrial control
19.88A 23.38A 13.5A
100V
Japan residential
4.77A 5.61A 3.24A
120V
US residential
3.98A 4.68A 2.7A
208V
US commercial three-phase
2.29A 2.7A 1.56A
220V
Legacy international / parts of Asia
2.17A 2.55A 1.47A
230V
UK / EU residential
2.07A 2.44A 1.41A
240V
US residential (dryer, range, HVAC)
1.99A 2.34A 1.35A
277V
US commercial lighting
1.72A 2.03A 1.17A
400V
UK / EU commercial three-phase
1.19A 1.4A 0.81A
460V
US industrial motor (NEC 430.250 column)
1.04A 1.22A 0.7043A
480V
US industrial three-phase
0.9938A 1.17A 0.675A
575V
Canadian industrial three-phase
0.8296A 0.976A 0.5635A

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.