18.12 Amps to Watts

18.12 amps is 2,174.4 watts at 120V (DC). The wattage depends on your circuit voltage.

18.12 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
217.44W 184.82W 320.12W
24V
DC, industrial control
434.88W 369.65W 640.25W
100V
Japan residential
1,812W 1,540.2W 2,667.7W
120V
US residential
2,174.4W 1,848.24W 3,201.25W
208V
US commercial three-phase
3,768.96W 3,203.62W 5,548.83W
220V
Legacy international / parts of Asia
3,986.4W 3,388.44W 5,868.95W
230V
UK / EU residential
4,167.6W 3,542.46W 6,135.72W
240V
US residential (dryer, range, HVAC)
4,348.8W 3,696.48W 6,402.49W
277V
US commercial lighting
5,019.24W 4,266.35W 7,389.54W
400V
UK / EU commercial three-phase
7,248W 6,160.8W 10,670.82W
460V
US industrial motor (NEC 430.250 column)
8,335.2W 7,084.92W 12,271.44W
480V
US industrial three-phase
8,697.6W 7,392.96W 12,804.98W
575V
Canadian industrial three-phase
10,419W 8,856.15W 15,339.3W

Other Amperages

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.