21,020 Watts to Amps

21,020 watts is 175.17 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

21,020 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
1,751.67A 2,060.78A 1,189.79A
24V
DC, industrial control
875.83A 1,030.39A 594.9A
100V
Japan residential
210.2A 247.29A 142.78A
120V
US residential
175.17A 206.08A 118.98A
208V
US commercial three-phase
101.06A 118.89A 68.64A
220V
Legacy international / parts of Asia
95.55A 112.41A 64.9A
230V
UK / EU residential
91.39A 107.52A 62.08A
240V
US residential (dryer, range, HVAC)
87.58A 103.04A 59.49A
277V
US commercial lighting
75.88A 89.28A 51.54A
400V
UK / EU commercial three-phase
52.55A 61.82A 35.69A
460V
US industrial motor (NEC 430.250 column)
45.7A 53.76A 31.04A
480V
US industrial three-phase
43.79A 51.52A 29.74A
575V
Canadian industrial three-phase
36.56A 43.01A 24.83A

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.