120 Watts to Amps

120 watts is 1 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

120 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
10A 11.76A 6.79A
24V
DC, industrial control
5A 5.88A 3.4A
100V
Japan residential
1.2A 1.41A 0.8151A
120V
US residential
1A 1.18A 0.6792A
208V
US commercial three-phase
0.5769A 0.6787A 0.3919A
220V
Legacy international / parts of Asia
0.5455A 0.6417A 0.3705A
230V
UK / EU residential
0.5217A 0.6138A 0.3544A
240V
US residential (dryer, range, HVAC)
0.5A 0.5882A 0.3396A
277V
US commercial lighting
0.4332A 0.5097A 0.2943A
400V
UK / EU commercial three-phase
0.3A 0.3529A 0.2038A
460V
US industrial motor (NEC 430.250 column)
0.2609A 0.3069A 0.1772A
480V
US industrial three-phase
0.25A 0.2941A 0.1698A
575V
Canadian industrial three-phase
0.2087A 0.2455A 0.1418A

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.