20.85 Amps to Watts

20.85 amps is 2,502 watts at 120V (DC). The wattage depends on your circuit voltage.

20.85 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
250.2W 212.67W 368.36W
24V
DC, industrial control
500.4W 425.34W 736.71W
100V
Japan residential
2,085W 1,772.25W 3,069.63W
120V
US residential
2,502W 2,126.7W 3,683.55W
208V
US commercial three-phase
4,336.8W 3,686.28W 6,384.82W
220V
Legacy international / parts of Asia
4,587W 3,898.95W 6,753.18W
230V
UK / EU residential
4,795.5W 4,076.17W 7,060.14W
240V
US residential (dryer, range, HVAC)
5,004W 4,253.4W 7,367.1W
277V
US commercial lighting
5,775.45W 4,909.13W 8,502.87W
400V
UK / EU commercial three-phase
8,340W 7,089W 12,278.51W
460V
US industrial motor (NEC 430.250 column)
9,591W 8,152.35W 14,120.28W
480V
US industrial three-phase
10,008W 8,506.8W 14,734.21W
575V
Canadian industrial three-phase
11,988.75W 10,190.44W 17,650.36W

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.