55 Watts to Amps

55 watts is 0.4583 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

55 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
4.58A 5.39A 3.11A
24V
DC, industrial control
2.29A 2.7A 1.56A
100V
Japan residential
0.55A 0.6471A 0.3736A
120V
US residential
0.4583A 0.5392A 0.3113A
208V
US commercial three-phase
0.2644A 0.3111A 0.1796A
220V
Legacy international / parts of Asia
0.25A 0.2941A 0.1698A
230V
UK / EU residential
0.2391A 0.2813A 0.1624A
240V
US residential (dryer, range, HVAC)
0.2292A 0.2696A 0.1557A
277V
US commercial lighting
0.1986A 0.2336A 0.1349A
400V
UK / EU commercial three-phase
0.1375A 0.1618A 0.0934A
460V
US industrial motor (NEC 430.250 column)
0.1196A 0.1407A 0.0812A
480V
US industrial three-phase
0.1146A 0.1348A 0.0778A
575V
Canadian industrial three-phase
0.0957A 0.1125A 0.065A

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.