21,004 Watts to Amps

21,004 watts is 175.03 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

21,004 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
1,750.33A 2,059.22A 1,188.89A
24V
DC, industrial control
875.17A 1,029.61A 594.44A
100V
Japan residential
210.04A 247.11A 142.67A
120V
US residential
175.03A 205.92A 118.89A
208V
US commercial three-phase
100.98A 118.8A 68.59A
220V
Legacy international / parts of Asia
95.47A 112.32A 64.85A
230V
UK / EU residential
91.32A 107.44A 62.03A
240V
US residential (dryer, range, HVAC)
87.52A 102.96A 59.44A
277V
US commercial lighting
75.83A 89.21A 51.5A
400V
UK / EU commercial three-phase
52.51A 61.78A 35.67A
460V
US industrial motor (NEC 430.250 column)
45.66A 53.72A 31.01A
480V
US industrial three-phase
43.76A 51.48A 29.72A
575V
Canadian industrial three-phase
36.53A 42.97A 24.81A

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.