3,747 Watts to Amps

3,747 watts is 31.23 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

3,747 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
312.25A 367.35A 212.09A
24V
DC, industrial control
156.13A 183.68A 106.05A
100V
Japan residential
37.47A 44.08A 25.45A
120V
US residential
31.23A 36.74A 21.21A
208V
US commercial three-phase
18.01A 21.19A 12.24A
220V
Legacy international / parts of Asia
17.03A 20.04A 11.57A
230V
UK / EU residential
16.29A 19.17A 11.07A
240V
US residential (dryer, range, HVAC)
15.61A 18.37A 10.6A
277V
US commercial lighting
13.53A 15.91A 9.19A
400V
UK / EU commercial three-phase
9.37A 11.02A 6.36A
460V
US industrial motor (NEC 430.250 column)
8.15A 9.58A 5.53A
480V
US industrial three-phase
7.81A 9.18A 5.3A
575V
Canadian industrial three-phase
6.52A 7.67A 4.43A

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.