43 Watts to Amps

43 watts is 0.3583 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

43 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
3.58A 4.22A 2.43A
24V
DC, industrial control
1.79A 2.11A 1.22A
100V
Japan residential
0.43A 0.5059A 0.2921A
120V
US residential
0.3583A 0.4216A 0.2434A
208V
US commercial three-phase
0.2067A 0.2432A 0.1404A
220V
Legacy international / parts of Asia
0.1955A 0.2299A 0.1328A
230V
UK / EU residential
0.187A 0.2199A 0.127A
240V
US residential (dryer, range, HVAC)
0.1792A 0.2108A 0.1217A
277V
US commercial lighting
0.1552A 0.1826A 0.1054A
400V
UK / EU commercial three-phase
0.1075A 0.1265A 0.073A
460V
US industrial motor (NEC 430.250 column)
0.0935A 0.11A 0.0635A
480V
US industrial three-phase
0.0896A 0.1054A 0.0608A
575V
Canadian industrial three-phase
0.0748A 0.088A 0.0508A

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.