77 Watts to Amps

77 watts is 0.6417 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

77 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
6.42A 7.55A 4.36A
24V
DC, industrial control
3.21A 3.77A 2.18A
100V
Japan residential
0.77A 0.9059A 0.523A
120V
US residential
0.6417A 0.7549A 0.4358A
208V
US commercial three-phase
0.3702A 0.4355A 0.2514A
220V
Legacy international / parts of Asia
0.35A 0.4118A 0.2377A
230V
UK / EU residential
0.3348A 0.3939A 0.2274A
240V
US residential (dryer, range, HVAC)
0.3208A 0.3775A 0.2179A
277V
US commercial lighting
0.278A 0.327A 0.1888A
400V
UK / EU commercial three-phase
0.1925A 0.2265A 0.1308A
460V
US industrial motor (NEC 430.250 column)
0.1674A 0.1969A 0.1137A
480V
US industrial three-phase
0.1604A 0.1887A 0.109A
575V
Canadian industrial three-phase
0.1339A 0.1575A 0.091A

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.