57 Watts to Amps

57 watts is 0.475 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

57 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
4.75A 5.59A 3.23A
24V
DC, industrial control
2.38A 2.79A 1.61A
100V
Japan residential
0.57A 0.6706A 0.3872A
120V
US residential
0.475A 0.5588A 0.3226A
208V
US commercial three-phase
0.274A 0.3224A 0.1861A
220V
Legacy international / parts of Asia
0.2591A 0.3048A 0.176A
230V
UK / EU residential
0.2478A 0.2916A 0.1683A
240V
US residential (dryer, range, HVAC)
0.2375A 0.2794A 0.1613A
277V
US commercial lighting
0.2058A 0.2421A 0.1398A
400V
UK / EU commercial three-phase
0.1425A 0.1676A 0.0968A
460V
US industrial motor (NEC 430.250 column)
0.1239A 0.1458A 0.0842A
480V
US industrial three-phase
0.1188A 0.1397A 0.0807A
575V
Canadian industrial three-phase
0.0991A 0.1166A 0.0673A

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.