18,003 Watts to Amps

18,003 watts is 150.03 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

18,003 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
1,500.25A 1,765A 1,019.02A
24V
DC, industrial control
750.13A 882.5A 509.51A
100V
Japan residential
180.03A 211.8A 122.28A
120V
US residential
150.03A 176.5A 101.9A
208V
US commercial three-phase
86.55A 101.83A 58.79A
220V
Legacy international / parts of Asia
81.83A 96.27A 55.58A
230V
UK / EU residential
78.27A 92.09A 53.17A
240V
US residential (dryer, range, HVAC)
75.01A 88.25A 50.95A
277V
US commercial lighting
64.99A 76.46A 44.15A
400V
UK / EU commercial three-phase
45.01A 52.95A 30.57A
460V
US industrial motor (NEC 430.250 column)
39.14A 46.04A 26.58A
480V
US industrial three-phase
37.51A 44.13A 25.48A
575V
Canadian industrial three-phase
31.31A 36.83A 21.27A

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.