424 Watts to Amps

424 watts is 3.53 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

424 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
35.33A 41.57A 24A
24V
DC, industrial control
17.67A 20.78A 12A
100V
Japan residential
4.24A 4.99A 2.88A
120V
US residential
3.53A 4.16A 2.4A
208V
US commercial three-phase
2.04A 2.4A 1.38A
220V
Legacy international / parts of Asia
1.93A 2.27A 1.31A
230V
UK / EU residential
1.84A 2.17A 1.25A
240V
US residential (dryer, range, HVAC)
1.77A 2.08A 1.2A
277V
US commercial lighting
1.53A 1.8A 1.04A
400V
UK / EU commercial three-phase
1.06A 1.25A 0.72A
460V
US industrial motor (NEC 430.250 column)
0.9217A 1.08A 0.6261A
480V
US industrial three-phase
0.8833A 1.04A 0.6A
575V
Canadian industrial three-phase
0.7374A 0.8675A 0.5009A

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.