18.15 Amps to Watts

18.15 amps is 2,178 watts at 120V (DC). The wattage depends on your circuit voltage.

18.15 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
217.8W 185.13W 320.65W
24V
DC, industrial control
435.6W 370.26W 641.31W
100V
Japan residential
1,815W 1,542.75W 2,672.12W
120V
US residential
2,178W 1,851.3W 3,206.55W
208V
US commercial three-phase
3,775.2W 3,208.92W 5,558.01W
220V
Legacy international / parts of Asia
3,993W 3,394.05W 5,878.67W
230V
UK / EU residential
4,174.5W 3,548.33W 6,145.88W
240V
US residential (dryer, range, HVAC)
4,356W 3,702.6W 6,413.09W
277V
US commercial lighting
5,027.55W 4,273.42W 7,401.78W
400V
UK / EU commercial three-phase
7,260W 6,171W 10,688.49W
460V
US industrial motor (NEC 430.250 column)
8,349W 7,096.65W 12,291.76W
480V
US industrial three-phase
8,712W 7,405.2W 12,826.18W
575V
Canadian industrial three-phase
10,436.25W 8,870.81W 15,364.7W

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.