685 Watts to Amps

685 watts is 5.71 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

685 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
57.08A 67.16A 38.77A
24V
DC, industrial control
28.54A 33.58A 19.39A
100V
Japan residential
6.85A 8.06A 4.65A
120V
US residential
5.71A 6.72A 3.88A
208V
US commercial three-phase
3.29A 3.87A 2.24A
220V
Legacy international / parts of Asia
3.11A 3.66A 2.11A
230V
UK / EU residential
2.98A 3.5A 2.02A
240V
US residential (dryer, range, HVAC)
2.85A 3.36A 1.94A
277V
US commercial lighting
2.47A 2.91A 1.68A
400V
UK / EU commercial three-phase
1.71A 2.01A 1.16A
460V
US industrial motor (NEC 430.250 column)
1.49A 1.75A 1.01A
480V
US industrial three-phase
1.43A 1.68A 0.9693A
575V
Canadian industrial three-phase
1.19A 1.4A 0.8092A

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.