5.5 Amps to Watts

5.5 amps is 660 watts at 120V (DC). The wattage depends on your circuit voltage.

5.5 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
66W 56.1W 97.17W
24V
DC, industrial control
132W 112.2W 194.34W
100V
Japan residential
550W 467.5W 809.73W
120V
US residential
660W 561W 971.68W
208V
US commercial three-phase
1,144W 972.4W 1,684.25W
220V
Legacy international / parts of Asia
1,210W 1,028.5W 1,781.41W
230V
UK / EU residential
1,265W 1,075.25W 1,862.39W
240V
US residential (dryer, range, HVAC)
1,320W 1,122W 1,943.36W
277V
US commercial lighting
1,523.5W 1,294.98W 2,242.96W
400V
UK / EU commercial three-phase
2,200W 1,870W 3,238.94W
460V
US industrial motor (NEC 430.250 column)
2,530W 2,150.5W 3,724.78W
480V
US industrial three-phase
2,640W 2,244W 3,886.72W
575V
Canadian industrial three-phase
3,162.5W 2,688.13W 4,655.97W

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.