18.01 Amps to Watts

18.01 amps is 2,161.2 watts at 120V (DC). The wattage depends on your circuit voltage.

18.01 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
216.12W 183.7W 318.18W
24V
DC, industrial control
432.24W 367.4W 636.36W
100V
Japan residential
1,801W 1,530.85W 2,651.51W
120V
US residential
2,161.2W 1,837.02W 3,181.81W
208V
US commercial three-phase
3,746.08W 3,184.17W 5,515.14W
220V
Legacy international / parts of Asia
3,962.2W 3,367.87W 5,833.32W
230V
UK / EU residential
4,142.3W 3,520.96W 6,098.47W
240V
US residential (dryer, range, HVAC)
4,322.4W 3,674.04W 6,363.62W
277V
US commercial lighting
4,988.77W 4,240.45W 7,344.68W
400V
UK / EU commercial three-phase
7,204W 6,123.4W 10,606.04W
460V
US industrial motor (NEC 430.250 column)
8,284.6W 7,041.91W 12,196.95W
480V
US industrial three-phase
8,644.8W 7,348.08W 12,727.25W
575V
Canadian industrial three-phase
10,355.75W 8,802.39W 15,246.18W

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.