21.05 kW to Amps

21.05 kilowatts is 87.7 amps at 240V (DC). The exact amperage depends on your voltage and whether the circuit is single-phase or three-phase.

21.05 kW to Amps at Every Voltage

VoltageDCAC 1-Phase (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
1,753.92A 2,063.43A 1,191.32A
24V
DC, industrial control
876.96A 1,031.72A 595.66A
100V
Japan residential
210.47A 247.61A 142.96A
120V
US residential
175.39A 206.34A 119.13A
208V
US commercial three-phase
101.19A 119.04A 68.73A
220V
Legacy international / parts of Asia
95.67A 112.55A 64.98A
230V
UK / EU residential
91.51A 107.66A 62.16A
240V
US residential (dryer, range, HVAC)
87.7A 103.17A 59.57A
277V
US commercial lighting
75.98A 89.39A 51.61A
400V
UK / EU commercial three-phase
52.62A 61.9A 35.74A
460V
US industrial motor (NEC 430.250 column)
45.75A 53.83A 31.08A
480V
US industrial three-phase
43.85A 51.59A 29.78A
575V
Canadian industrial three-phase
36.6A 43.06A 24.86A

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.