18 kW to Amps

18 kilowatts is 74.99 amps at 240V (DC). The exact amperage depends on your voltage and whether the circuit is single-phase or three-phase.

18 kW to Amps at Every Voltage

VoltageDCAC 1-Phase (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
1,499.75A 1,764.41A 1,018.68A
24V
DC, industrial control
749.88A 882.21A 509.34A
100V
Japan residential
179.97A 211.73A 122.24A
120V
US residential
149.98A 176.44A 101.87A
208V
US commercial three-phase
86.52A 101.79A 58.77A
220V
Legacy international / parts of Asia
81.8A 96.24A 55.56A
230V
UK / EU residential
78.25A 92.06A 53.15A
240V
US residential (dryer, range, HVAC)
74.99A 88.22A 50.93A
277V
US commercial lighting
64.97A 76.44A 44.13A
400V
UK / EU commercial three-phase
44.99A 52.93A 30.56A
460V
US industrial motor (NEC 430.250 column)
39.12A 46.03A 26.57A
480V
US industrial three-phase
37.49A 44.11A 25.47A
575V
Canadian industrial three-phase
31.3A 36.82A 21.26A

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.