277 Watts to Amps

277 watts is 2.31 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

277 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
23.08A 27.16A 15.68A
24V
DC, industrial control
11.54A 13.58A 7.84A
100V
Japan residential
2.77A 3.26A 1.88A
120V
US residential
2.31A 2.72A 1.57A
208V
US commercial three-phase
1.33A 1.57A 0.9046A
220V
Legacy international / parts of Asia
1.26A 1.48A 0.8552A
230V
UK / EU residential
1.2A 1.42A 0.818A
240V
US residential (dryer, range, HVAC)
1.15A 1.36A 0.784A
277V
US commercial lighting
1A 1.18A 0.6792A
400V
UK / EU commercial three-phase
0.6925A 0.8147A 0.4704A
460V
US industrial motor (NEC 430.250 column)
0.6022A 0.7084A 0.409A
480V
US industrial three-phase
0.5771A 0.6789A 0.392A
575V
Canadian industrial three-phase
0.4817A 0.5668A 0.3272A

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.