4,742 Watts to Amps

4,742 watts is 39.52 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

4,742 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
395.17A 464.9A 268.41A
24V
DC, industrial control
197.58A 232.45A 134.21A
100V
Japan residential
47.42A 55.79A 32.21A
120V
US residential
39.52A 46.49A 26.84A
208V
US commercial three-phase
22.8A 26.82A 15.49A
220V
Legacy international / parts of Asia
21.55A 25.36A 14.64A
230V
UK / EU residential
20.62A 24.26A 14A
240V
US residential (dryer, range, HVAC)
19.76A 23.25A 13.42A
277V
US commercial lighting
17.12A 20.14A 11.63A
400V
UK / EU commercial three-phase
11.86A 13.95A 8.05A
460V
US industrial motor (NEC 430.250 column)
10.31A 12.13A 7A
480V
US industrial three-phase
9.88A 11.62A 6.71A
575V
Canadian industrial three-phase
8.25A 9.7A 5.6A

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.