4.5 kW to Amps

4.5 kilowatts is 18.75 amps at 240V (DC). The exact amperage depends on your voltage and whether the circuit is single-phase or three-phase.

4.5 kW to Amps at Every Voltage

VoltageDCAC 1-Phase (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
374.92A 441.08A 254.66A
24V
DC, industrial control
187.46A 220.54A 127.33A
100V
Japan residential
44.99A 52.93A 30.56A
120V
US residential
37.49A 44.11A 25.47A
208V
US commercial three-phase
21.63A 25.45A 14.69A
220V
Legacy international / parts of Asia
20.45A 24.06A 13.89A
230V
UK / EU residential
19.56A 23.01A 13.29A
240V
US residential (dryer, range, HVAC)
18.75A 22.05A 12.73A
277V
US commercial lighting
16.24A 19.11A 11.03A
400V
UK / EU commercial three-phase
11.25A 13.23A 7.64A
460V
US industrial motor (NEC 430.250 column)
9.78A 11.51A 6.64A
480V
US industrial three-phase
9.37A 11.03A 6.37A
575V
Canadian industrial three-phase
7.82A 9.21A 5.31A

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.