37,438 Watts to Amps

37,438 watts is 311.98 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

37,438 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
3,119.83A 3,670.39A 2,119.1A
24V
DC, industrial control
1,559.92A 1,835.2A 1,059.55A
100V
Japan residential
374.38A 440.45A 254.29A
120V
US residential
311.98A 367.04A 211.91A
208V
US commercial three-phase
179.99A 211.75A 122.26A
220V
Legacy international / parts of Asia
170.17A 200.2A 115.59A
230V
UK / EU residential
162.77A 191.5A 110.56A
240V
US residential (dryer, range, HVAC)
155.99A 183.52A 105.96A
277V
US commercial lighting
135.16A 159.01A 91.8A
400V
UK / EU commercial three-phase
93.6A 110.11A 63.57A
460V
US industrial motor (NEC 430.250 column)
81.39A 95.75A 55.28A
480V
US industrial three-phase
78A 91.76A 52.98A
575V
Canadian industrial three-phase
65.11A 76.6A 44.22A

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.