0.21 Amps to Watts

0.21 amps is 25.2 watts at 120V (DC). The wattage depends on your circuit voltage.

0.21 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
2.52W 2.14W 3.71W
24V
DC, industrial control
5.04W 4.28W 7.42W
100V
Japan residential
21W 17.85W 30.92W
120V
US residential
25.2W 21.42W 37.1W
208V
US commercial three-phase
43.68W 37.13W 64.31W
220V
Legacy international / parts of Asia
46.2W 39.27W 68.02W
230V
UK / EU residential
48.3W 41.06W 71.11W
240V
US residential (dryer, range, HVAC)
50.4W 42.84W 74.2W
277V
US commercial lighting
58.17W 49.44W 85.64W
400V
UK / EU commercial three-phase
84W 71.4W 123.67W
460V
US industrial motor (NEC 430.250 column)
96.6W 82.11W 142.22W
480V
US industrial three-phase
100.8W 85.68W 148.4W
575V
Canadian industrial three-phase
120.75W 102.64W 177.77W

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.