120.21 Amps to Watts

120.21 amps is 14,425.2 watts at 120V (DC). The wattage depends on your circuit voltage.

120.21 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
1,442.52W 1,226.14W 2,123.74W
24V
DC, industrial control
2,885.04W 2,452.28W 4,247.48W
100V
Japan residential
12,021W 10,217.85W 17,697.84W
120V
US residential
14,425.2W 12,261.42W 21,237.4W
208V
US commercial three-phase
25,003.68W 21,253.13W 36,811.5W
220V
Legacy international / parts of Asia
26,446.2W 22,479.27W 38,935.24W
230V
UK / EU residential
27,648.3W 23,501.06W 40,705.02W
240V
US residential (dryer, range, HVAC)
28,850.4W 24,522.84W 42,474.8W
277V
US commercial lighting
33,298.17W 28,303.44W 49,023W
400V
UK / EU commercial three-phase
48,084W 40,871.4W 70,791.34W
460V
US industrial motor (NEC 430.250 column)
55,296.6W 47,002.11W 81,410.04W
480V
US industrial three-phase
57,700.8W 49,045.68W 84,949.61W
575V
Canadian industrial three-phase
69,120.75W 58,752.64W 101,762.55W

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.