47 Watts to Amps

47 watts is 0.3917 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

47 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
3.92A 4.61A 2.66A
24V
DC, industrial control
1.96A 2.3A 1.33A
100V
Japan residential
0.47A 0.5529A 0.3192A
120V
US residential
0.3917A 0.4608A 0.266A
208V
US commercial three-phase
0.226A 0.2658A 0.1535A
220V
Legacy international / parts of Asia
0.2136A 0.2513A 0.1451A
230V
UK / EU residential
0.2043A 0.2404A 0.1388A
240V
US residential (dryer, range, HVAC)
0.1958A 0.2304A 0.133A
277V
US commercial lighting
0.1697A 0.1996A 0.1152A
400V
UK / EU commercial three-phase
0.1175A 0.1382A 0.0798A
460V
US industrial motor (NEC 430.250 column)
0.1022A 0.1202A 0.0694A
480V
US industrial three-phase
0.0979A 0.1152A 0.0665A
575V
Canadian industrial three-phase
0.0817A 0.0962A 0.0555A

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.