18,420 Watts to Amps

18,420 watts is 153.5 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

18,420 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
1,535A 1,805.88A 1,042.63A
24V
DC, industrial control
767.5A 902.94A 521.31A
100V
Japan residential
184.2A 216.71A 125.12A
120V
US residential
153.5A 180.59A 104.26A
208V
US commercial three-phase
88.56A 104.19A 60.15A
220V
Legacy international / parts of Asia
83.73A 98.5A 56.87A
230V
UK / EU residential
80.09A 94.22A 54.4A
240V
US residential (dryer, range, HVAC)
76.75A 90.29A 52.13A
277V
US commercial lighting
66.5A 78.23A 45.17A
400V
UK / EU commercial three-phase
46.05A 54.18A 31.28A
460V
US industrial motor (NEC 430.250 column)
40.04A 47.11A 27.2A
480V
US industrial three-phase
38.38A 45.15A 26.07A
575V
Canadian industrial three-phase
32.03A 37.69A 21.76A

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.