Horsepower to Watts Converter

Convert mechanical horsepower to watts and kilowatts. Useful for engine and motor specifications.

hp

Watts

111,855.0 W

Kilowatts111.855 kW
BTU per Hour381,664.5 BTU/hr
Voir la formule →

Formule

## How to Convert Horsepower to Watts ### Formula **Watts = Horsepower × 745.7** **Kilowatts = Horsepower × 0.7457** One mechanical horsepower equals 745.7 watts. This is the standard mechanical (or imperial) horsepower defined by James Watt. Note that metric horsepower (PS) is slightly different at 735.5 watts.

Exemple Résolu

Convert 150 horsepower to watts and kilowatts.

  1. 01Watts = 150 × 745.7 = 111,855 W
  2. 02Kilowatts = 150 × 0.7457 = 111.855 kW
  3. 03BTU/hr = 150 × 2544.43 = 381,664.5 BTU/hr