21.04 kW to Amps

21.04 kilowatts is 87.65 amps at 240V (DC). The exact amperage depends on your voltage and whether the circuit is single-phase or three-phase.

21.04 kW to Amps at Every Voltage

VoltageDCAC 1-Phase (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
1,752.92A 2,062.25A 1,190.64A
24V
DC, industrial control
876.46A 1,031.13A 595.32A
100V
Japan residential
210.35A 247.47A 142.88A
120V
US residential
175.29A 206.23A 119.06A
208V
US commercial three-phase
101.13A 118.98A 68.69A
220V
Legacy international / parts of Asia
95.61A 112.49A 64.94A
230V
UK / EU residential
91.46A 107.6A 62.12A
240V
US residential (dryer, range, HVAC)
87.65A 103.11A 59.53A
277V
US commercial lighting
75.94A 89.34A 51.58A
400V
UK / EU commercial three-phase
52.59A 61.87A 35.72A
460V
US industrial motor (NEC 430.250 column)
45.73A 53.8A 31.06A
480V
US industrial three-phase
43.82A 51.56A 29.77A
575V
Canadian industrial three-phase
36.58A 43.04A 24.85A

Other kW Values

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.