157 Watts to Amps

157 watts is 1.31 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

157 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
13.08A 15.39A 8.89A
24V
DC, industrial control
6.54A 7.7A 4.44A
100V
Japan residential
1.57A 1.85A 1.07A
120V
US residential
1.31A 1.54A 0.8887A
208V
US commercial three-phase
0.7548A 0.888A 0.5127A
220V
Legacy international / parts of Asia
0.7136A 0.8396A 0.4847A
230V
UK / EU residential
0.6826A 0.8031A 0.4637A
240V
US residential (dryer, range, HVAC)
0.6542A 0.7696A 0.4443A
277V
US commercial lighting
0.5668A 0.6668A 0.385A
400V
UK / EU commercial three-phase
0.3925A 0.4618A 0.2666A
460V
US industrial motor (NEC 430.250 column)
0.3413A 0.4015A 0.2318A
480V
US industrial three-phase
0.3271A 0.3848A 0.2222A
575V
Canadian industrial three-phase
0.273A 0.3212A 0.1855A

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.