3.71 Amps to Watts

3.71 amps is 445.2 watts at 120V (DC). The wattage depends on your circuit voltage.

3.71 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
44.52W 37.84W 65.54W
24V
DC, industrial control
89.04W 75.68W 131.09W
100V
Japan residential
371W 315.35W 546.2W
120V
US residential
445.2W 378.42W 655.44W
208V
US commercial three-phase
771.68W 655.93W 1,136.1W
220V
Legacy international / parts of Asia
816.2W 693.77W 1,201.64W
230V
UK / EU residential
853.3W 725.31W 1,256.27W
240V
US residential (dryer, range, HVAC)
890.4W 756.84W 1,310.89W
277V
US commercial lighting
1,027.67W 873.52W 1,512.98W
400V
UK / EU commercial three-phase
1,484W 1,261.4W 2,184.81W
460V
US industrial motor (NEC 430.250 column)
1,706.6W 1,450.61W 2,512.53W
480V
US industrial three-phase
1,780.8W 1,513.68W 2,621.77W
575V
Canadian industrial three-phase
2,133.25W 1,813.26W 3,140.66W

Other Amperages

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.