128 Watts to Amps

128 watts is 1.07 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

128 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
10.67A 12.55A 7.25A
24V
DC, industrial control
5.33A 6.27A 3.62A
100V
Japan residential
1.28A 1.51A 0.8694A
120V
US residential
1.07A 1.25A 0.7245A
208V
US commercial three-phase
0.6154A 0.724A 0.418A
220V
Legacy international / parts of Asia
0.5818A 0.6845A 0.3952A
230V
UK / EU residential
0.5565A 0.6547A 0.378A
240V
US residential (dryer, range, HVAC)
0.5333A 0.6275A 0.3623A
277V
US commercial lighting
0.4621A 0.5436A 0.3139A
400V
UK / EU commercial three-phase
0.32A 0.3765A 0.2174A
460V
US industrial motor (NEC 430.250 column)
0.2783A 0.3274A 0.189A
480V
US industrial three-phase
0.2667A 0.3137A 0.1811A
575V
Canadian industrial three-phase
0.2226A 0.2619A 0.1512A

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.