518 Watts to Amps

518 watts is 4.32 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

518 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
43.17A 50.78A 29.32A
24V
DC, industrial control
21.58A 25.39A 14.66A
100V
Japan residential
5.18A 6.09A 3.52A
120V
US residential
4.32A 5.08A 2.93A
208V
US commercial three-phase
2.49A 2.93A 1.69A
220V
Legacy international / parts of Asia
2.35A 2.77A 1.6A
230V
UK / EU residential
2.25A 2.65A 1.53A
240V
US residential (dryer, range, HVAC)
2.16A 2.54A 1.47A
277V
US commercial lighting
1.87A 2.2A 1.27A
400V
UK / EU commercial three-phase
1.3A 1.52A 0.8796A
460V
US industrial motor (NEC 430.250 column)
1.13A 1.32A 0.7649A
480V
US industrial three-phase
1.08A 1.27A 0.733A
575V
Canadian industrial three-phase
0.9009A 1.06A 0.6119A

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.