688 Watts to Amps

688 watts is 5.73 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

688 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
57.33A 67.45A 38.94A
24V
DC, industrial control
28.67A 33.73A 19.47A
100V
Japan residential
6.88A 8.09A 4.67A
120V
US residential
5.73A 6.75A 3.89A
208V
US commercial three-phase
3.31A 3.89A 2.25A
220V
Legacy international / parts of Asia
3.13A 3.68A 2.12A
230V
UK / EU residential
2.99A 3.52A 2.03A
240V
US residential (dryer, range, HVAC)
2.87A 3.37A 1.95A
277V
US commercial lighting
2.48A 2.92A 1.69A
400V
UK / EU commercial three-phase
1.72A 2.02A 1.17A
460V
US industrial motor (NEC 430.250 column)
1.5A 1.76A 1.02A
480V
US industrial three-phase
1.43A 1.69A 0.9736A
575V
Canadian industrial three-phase
1.2A 1.41A 0.8127A

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.