21,001 Watts to Amps

21,001 watts is 175.01 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

21,001 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
1,750.08A 2,058.92A 1,188.72A
24V
DC, industrial control
875.04A 1,029.46A 594.36A
100V
Japan residential
210.01A 247.07A 142.65A
120V
US residential
175.01A 205.89A 118.87A
208V
US commercial three-phase
100.97A 118.78A 68.58A
220V
Legacy international / parts of Asia
95.46A 112.3A 64.84A
230V
UK / EU residential
91.31A 107.42A 62.02A
240V
US residential (dryer, range, HVAC)
87.5A 102.95A 59.44A
277V
US commercial lighting
75.82A 89.2A 51.5A
400V
UK / EU commercial three-phase
52.5A 61.77A 35.66A
460V
US industrial motor (NEC 430.250 column)
45.65A 53.71A 31.01A
480V
US industrial three-phase
43.75A 51.47A 29.72A
575V
Canadian industrial three-phase
36.52A 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.