1 Watts to Amps

1 watts is 0.008333 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

1 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
0.0833A 0.098A 0.0566A
24V
DC, industrial control
0.0417A 0.049A 0.0283A
100V
Japan residential
0.01A 0.0118A 0.006792A
120V
US residential
0.008333A 0.009804A 0.00566A
208V
US commercial three-phase
0.004808A 0.005656A 0.003266A
220V
Legacy international / parts of Asia
0.004545A 0.005348A 0.003087A
230V
UK / EU residential
0.004348A 0.005115A 0.002953A
240V
US residential (dryer, range, HVAC)
0.004167A 0.004902A 0.00283A
277V
US commercial lighting
0.00361A 0.004247A 0.002452A
400V
UK / EU commercial three-phase
0.0025A 0.002941A 0.001698A
460V
US industrial motor (NEC 430.250 column)
0.002174A 0.002558A 0.001477A
480V
US industrial three-phase
0.002083A 0.002451A 0.001415A
575V
Canadian industrial three-phase
0.001739A 0.002046A 0.001181A

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.