740 Watts to Amps

740 watts is 6.17 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

740 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
61.67A 72.55A 41.89A
24V
DC, industrial control
30.83A 36.27A 20.94A
100V
Japan residential
7.4A 8.71A 5.03A
120V
US residential
6.17A 7.25A 4.19A
208V
US commercial three-phase
3.56A 4.19A 2.42A
220V
Legacy international / parts of Asia
3.36A 3.96A 2.28A
230V
UK / EU residential
3.22A 3.79A 2.19A
240V
US residential (dryer, range, HVAC)
3.08A 3.63A 2.09A
277V
US commercial lighting
2.67A 3.14A 1.81A
400V
UK / EU commercial three-phase
1.85A 2.18A 1.26A
460V
US industrial motor (NEC 430.250 column)
1.61A 1.89A 1.09A
480V
US industrial three-phase
1.54A 1.81A 1.05A
575V
Canadian industrial three-phase
1.29A 1.51A 0.8741A

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.