20.38 Amps to Watts

20.38 amps is 2,445.6 watts at 120V (DC). The wattage depends on your circuit voltage.

20.38 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
244.56W 207.88W 360.05W
24V
DC, industrial control
489.12W 415.75W 720.1W
100V
Japan residential
2,038W 1,732.3W 3,000.43W
120V
US residential
2,445.6W 2,078.76W 3,600.52W
208V
US commercial three-phase
4,239.04W 3,603.18W 6,240.9W
220V
Legacy international / parts of Asia
4,483.6W 3,811.06W 6,600.95W
230V
UK / EU residential
4,687.4W 3,984.29W 6,900.99W
240V
US residential (dryer, range, HVAC)
4,891.2W 4,157.52W 7,201.04W
277V
US commercial lighting
5,645.26W 4,798.47W 8,311.2W
400V
UK / EU commercial three-phase
8,152W 6,929.2W 12,001.73W
460V
US industrial motor (NEC 430.250 column)
9,374.8W 7,968.58W 13,801.99W
480V
US industrial three-phase
9,782.4W 8,315.04W 14,402.07W
575V
Canadian industrial three-phase
11,718.5W 9,960.73W 17,252.48W

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.