37 Watts to Amps

37 watts is 0.3083 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

37 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
3.08A 3.63A 2.09A
24V
DC, industrial control
1.54A 1.81A 1.05A
100V
Japan residential
0.37A 0.4353A 0.2513A
120V
US residential
0.3083A 0.3627A 0.2094A
208V
US commercial three-phase
0.1779A 0.2093A 0.1208A
220V
Legacy international / parts of Asia
0.1682A 0.1979A 0.1142A
230V
UK / EU residential
0.1609A 0.1893A 0.1093A
240V
US residential (dryer, range, HVAC)
0.1542A 0.1814A 0.1047A
277V
US commercial lighting
0.1336A 0.1571A 0.0907A
400V
UK / EU commercial three-phase
0.0925A 0.1088A 0.0628A
460V
US industrial motor (NEC 430.250 column)
0.0804A 0.0946A 0.0546A
480V
US industrial three-phase
0.0771A 0.0907A 0.0524A
575V
Canadian industrial three-phase
0.0643A 0.0757A 0.0437A

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.