20.55 Amps to Watts

20.55 amps is 2,466 watts at 120V (DC). The wattage depends on your circuit voltage.

20.55 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
246.6W 209.61W 363.06W
24V
DC, industrial control
493.2W 419.22W 726.11W
100V
Japan residential
2,055W 1,746.75W 3,025.46W
120V
US residential
2,466W 2,096.1W 3,630.55W
208V
US commercial three-phase
4,274.4W 3,633.24W 6,292.96W
220V
Legacy international / parts of Asia
4,521W 3,842.85W 6,656.01W
230V
UK / EU residential
4,726.5W 4,017.53W 6,958.56W
240V
US residential (dryer, range, HVAC)
4,932W 4,192.2W 7,261.1W
277V
US commercial lighting
5,692.35W 4,838.5W 8,380.52W
400V
UK / EU commercial three-phase
8,220W 6,987W 12,101.84W
460V
US industrial motor (NEC 430.250 column)
9,453W 8,035.05W 13,917.11W
480V
US industrial three-phase
9,864W 8,384.4W 14,522.21W
575V
Canadian industrial three-phase
11,816.25W 10,043.81W 17,396.39W

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.