6.4 Amps to Watts

6.4 amps is 768 watts at 120V (DC). The wattage depends on your circuit voltage.

6.4 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
76.8W 65.28W 113.07W
24V
DC, industrial control
153.6W 130.56W 226.14W
100V
Japan residential
640W 544W 942.24W
120V
US residential
768W 652.8W 1,130.68W
208V
US commercial three-phase
1,331.2W 1,131.52W 1,959.85W
220V
Legacy international / parts of Asia
1,408W 1,196.8W 2,072.92W
230V
UK / EU residential
1,472W 1,251.2W 2,167.14W
240V
US residential (dryer, range, HVAC)
1,536W 1,305.6W 2,261.37W
277V
US commercial lighting
1,772.8W 1,506.88W 2,609.99W
400V
UK / EU commercial three-phase
2,560W 2,176W 3,768.94W
460V
US industrial motor (NEC 430.250 column)
2,944W 2,502.4W 4,334.28W
480V
US industrial three-phase
3,072W 2,611.2W 4,522.73W
575V
Canadian industrial three-phase
3,680W 3,128W 5,417.85W

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.