155 Watts to Amps

155 watts is 1.29 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

155 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
12.92A 15.2A 8.77A
24V
DC, industrial control
6.46A 7.6A 4.39A
100V
Japan residential
1.55A 1.82A 1.05A
120V
US residential
1.29A 1.52A 0.8773A
208V
US commercial three-phase
0.7452A 0.8767A 0.5062A
220V
Legacy international / parts of Asia
0.7045A 0.8289A 0.4786A
230V
UK / EU residential
0.6739A 0.7928A 0.4577A
240V
US residential (dryer, range, HVAC)
0.6458A 0.7598A 0.4387A
277V
US commercial lighting
0.5596A 0.6583A 0.3801A
400V
UK / EU commercial three-phase
0.3875A 0.4559A 0.2632A
460V
US industrial motor (NEC 430.250 column)
0.337A 0.3964A 0.2289A
480V
US industrial three-phase
0.3229A 0.3799A 0.2193A
575V
Canadian industrial three-phase
0.2696A 0.3171A 0.1831A

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.