Horsepower to Watts Converter — 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.
### 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.
- Watts = 150 × 745.7 = 111,855 W
- Kilowatts = 150 × 0.7457 = 111.855 kW
- BTU/hr = 150 × 2544.43 = 381,664.5 BTU/hr