273 Watts to Amps

273 watts is 2.28 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

273 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
22.75A 26.76A 15.45A
24V
DC, industrial control
11.38A 13.38A 7.73A
100V
Japan residential
2.73A 3.21A 1.85A
120V
US residential
2.28A 2.68A 1.55A
208V
US commercial three-phase
1.31A 1.54A 0.8915A
220V
Legacy international / parts of Asia
1.24A 1.46A 0.8429A
230V
UK / EU residential
1.19A 1.4A 0.8062A
240V
US residential (dryer, range, HVAC)
1.14A 1.34A 0.7726A
277V
US commercial lighting
0.9856A 1.16A 0.6694A
400V
UK / EU commercial three-phase
0.6825A 0.8029A 0.4636A
460V
US industrial motor (NEC 430.250 column)
0.5935A 0.6982A 0.4031A
480V
US industrial three-phase
0.5688A 0.6691A 0.3863A
575V
Canadian industrial three-phase
0.4748A 0.5586A 0.3225A

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.