2,221 Watts to Amps

2,221 watts is 18.51 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

2,221 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
185.08A 217.75A 125.72A
24V
DC, industrial control
92.54A 108.87A 62.86A
100V
Japan residential
22.21A 26.13A 15.09A
120V
US residential
18.51A 21.77A 12.57A
208V
US commercial three-phase
10.68A 12.56A 7.25A
220V
Legacy international / parts of Asia
10.1A 11.88A 6.86A
230V
UK / EU residential
9.66A 11.36A 6.56A
240V
US residential (dryer, range, HVAC)
9.25A 10.89A 6.29A
277V
US commercial lighting
8.02A 9.43A 5.45A
400V
UK / EU commercial three-phase
5.55A 6.53A 3.77A
460V
US industrial motor (NEC 430.250 column)
4.83A 5.68A 3.28A
480V
US industrial three-phase
4.63A 5.44A 3.14A
575V
Canadian industrial three-phase
3.86A 4.54A 2.62A

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.