2,157 Watts to Amps

2,157 watts is 17.98 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

2,157 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
179.75A 211.47A 122.09A
24V
DC, industrial control
89.88A 105.74A 61.05A
100V
Japan residential
21.57A 25.38A 14.65A
120V
US residential
17.98A 21.15A 12.21A
208V
US commercial three-phase
10.37A 12.2A 7.04A
220V
Legacy international / parts of Asia
9.8A 11.53A 6.66A
230V
UK / EU residential
9.38A 11.03A 6.37A
240V
US residential (dryer, range, HVAC)
8.99A 10.57A 6.1A
277V
US commercial lighting
7.79A 9.16A 5.29A
400V
UK / EU commercial three-phase
5.39A 6.34A 3.66A
460V
US industrial motor (NEC 430.250 column)
4.69A 5.52A 3.19A
480V
US industrial three-phase
4.49A 5.29A 3.05A
575V
Canadian industrial three-phase
3.75A 4.41A 2.55A

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.