8,640 Watts to Amps

8,640 watts is 72 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

8,640 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
720A 847.06A 489.05A
24V
DC, industrial control
360A 423.53A 244.52A
100V
Japan residential
86.4A 101.65A 58.69A
120V
US residential
72A 84.71A 48.9A
208V
US commercial three-phase
41.54A 48.87A 28.21A
220V
Legacy international / parts of Asia
39.27A 46.2A 26.68A
230V
UK / EU residential
37.57A 44.19A 25.52A
240V
US residential (dryer, range, HVAC)
36A 42.35A 24.45A
277V
US commercial lighting
31.19A 36.7A 21.19A
400V
UK / EU commercial three-phase
21.6A 25.41A 14.67A
460V
US industrial motor (NEC 430.250 column)
18.78A 22.1A 12.76A
480V
US industrial three-phase
18A 21.18A 12.23A
575V
Canadian industrial three-phase
15.03A 17.68A 10.21A

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.