18.4 Amps to Watts

18.4 amps is 2,208 watts at 120V (DC). The wattage depends on your circuit voltage.

18.4 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
220.8W 187.68W 325.07W
24V
DC, industrial control
441.6W 375.36W 650.14W
100V
Japan residential
1,840W 1,564W 2,708.93W
120V
US residential
2,208W 1,876.8W 3,250.71W
208V
US commercial three-phase
3,827.2W 3,253.12W 5,634.57W
220V
Legacy international / parts of Asia
4,048W 3,440.8W 5,959.64W
230V
UK / EU residential
4,232W 3,597.2W 6,230.53W
240V
US residential (dryer, range, HVAC)
4,416W 3,753.6W 6,501.43W
277V
US commercial lighting
5,096.8W 4,332.28W 7,503.73W
400V
UK / EU commercial three-phase
7,360W 6,256W 10,835.71W
460V
US industrial motor (NEC 430.250 column)
8,464W 7,194.4W 12,461.07W
480V
US industrial three-phase
8,832W 7,507.2W 13,002.85W
575V
Canadian industrial three-phase
10,580W 8,993W 15,576.33W

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.