2,171 Watts to Amps

2,171 watts is 18.09 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

2,171 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
180.92A 212.84A 122.89A
24V
DC, industrial control
90.46A 106.42A 61.44A
100V
Japan residential
21.71A 25.54A 14.75A
120V
US residential
18.09A 21.28A 12.29A
208V
US commercial three-phase
10.44A 12.28A 7.09A
220V
Legacy international / parts of Asia
9.87A 11.61A 6.7A
230V
UK / EU residential
9.44A 11.1A 6.41A
240V
US residential (dryer, range, HVAC)
9.05A 10.64A 6.14A
277V
US commercial lighting
7.84A 9.22A 5.32A
400V
UK / EU commercial three-phase
5.43A 6.39A 3.69A
460V
US industrial motor (NEC 430.250 column)
4.72A 5.55A 3.21A
480V
US industrial three-phase
4.52A 5.32A 3.07A
575V
Canadian industrial three-phase
3.78A 4.44A 2.56A

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.