1,438 Watts to Amps

1,438 watts is 11.98 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

1,438 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
119.83A 140.98A 81.4A
24V
DC, industrial control
59.92A 70.49A 40.7A
100V
Japan residential
14.38A 16.92A 9.77A
120V
US residential
11.98A 14.1A 8.14A
208V
US commercial three-phase
6.91A 8.13A 4.7A
220V
Legacy international / parts of Asia
6.54A 7.69A 4.44A
230V
UK / EU residential
6.25A 7.36A 4.25A
240V
US residential (dryer, range, HVAC)
5.99A 7.05A 4.07A
277V
US commercial lighting
5.19A 6.11A 3.53A
400V
UK / EU commercial three-phase
3.6A 4.23A 2.44A
460V
US industrial motor (NEC 430.250 column)
3.13A 3.68A 2.12A
480V
US industrial three-phase
3A 3.52A 2.03A
575V
Canadian industrial three-phase
2.5A 2.94A 1.7A

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.