437 Watts to Amps

437 watts is 3.64 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

437 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
36.42A 42.84A 24.74A
24V
DC, industrial control
18.21A 21.42A 12.37A
100V
Japan residential
4.37A 5.14A 2.97A
120V
US residential
3.64A 4.28A 2.47A
208V
US commercial three-phase
2.1A 2.47A 1.43A
220V
Legacy international / parts of Asia
1.99A 2.34A 1.35A
230V
UK / EU residential
1.9A 2.24A 1.29A
240V
US residential (dryer, range, HVAC)
1.82A 2.14A 1.24A
277V
US commercial lighting
1.58A 1.86A 1.07A
400V
UK / EU commercial three-phase
1.09A 1.29A 0.7421A
460V
US industrial motor (NEC 430.250 column)
0.95A 1.12A 0.6453A
480V
US industrial three-phase
0.9104A 1.07A 0.6184A
575V
Canadian industrial three-phase
0.76A 0.8941A 0.5162A

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.