8,420 Watts to Amps

8,420 watts is 70.17 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

8,420 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
701.67A 825.49A 476.6A
24V
DC, industrial control
350.83A 412.75A 238.3A
100V
Japan residential
84.2A 99.06A 57.19A
120V
US residential
70.17A 82.55A 47.66A
208V
US commercial three-phase
40.48A 47.62A 27.5A
220V
Legacy international / parts of Asia
38.27A 45.03A 26A
230V
UK / EU residential
36.61A 43.07A 24.87A
240V
US residential (dryer, range, HVAC)
35.08A 41.27A 23.83A
277V
US commercial lighting
30.4A 35.76A 20.65A
400V
UK / EU commercial three-phase
21.05A 24.76A 14.3A
460V
US industrial motor (NEC 430.250 column)
18.3A 21.53A 12.43A
480V
US industrial three-phase
17.54A 20.64A 11.91A
575V
Canadian industrial three-phase
14.64A 17.23A 9.95A

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.