Mechanical horsepower to Kilowatts formula
kilowatts = mechanical horsepower × 0.7457
Multiply the number of mechanical horsepower by 0.7457 to get kilowatts. To go the other way, multiply by 1.34102 instead, or use the kw to hp converter.
Mechanical horsepower to Kilowatts conversion table
Common hp to kw values, rounded for reading. The converter above keeps full precision.
| Mechanical horsepower | Kilowatts |
|---|---|
| 1 hp | 0.7457 kW |
| 10 hp | 7.457 kW |
| 50 hp | 37.285 kW |
| 100 hp | 74.57 kW |
| 250 hp | 186.425 kW |
| 500 hp | 372.85 kW |
| 750 hp | 559.275 kW |
| 1,000 hp | 745.7 kW |
| 1,500 hp | 1,118.55 kW |
| 2,000 hp | 1,491.4 kW |
| 5,000 hp | 3,728.5 kW |
| 10,000 hp | 7,457 kW |
| 12,000 hp | 8,948.4 kW |
| 18,000 hp | 13,422.6 kW |
| 24,000 hp | 17,896.8 kW |
Worked example
To convert 500 hp to kilowatts, multiply by 0.7457: the result is 372.85 kW. Mechanical horsepower and metric horsepower are different units. BTU per hour is a power rate; BTU by itself is energy.
Frequently asked questions
How many kilowatts are in a mechanical horsepower?
One mechanical horsepower equals 0.7457 kilowatts (1 hp = 0.7457 kW).
What is 500 mechanical horsepower in kilowatts?
500 hp converts to 372.85 kW. Enter any other value in the converter above to see it recalculated instantly.
How do I convert kilowatts back to mechanical horsepower?
Reverse the calculation: one kilowatt equals 1.34102 mechanical horsepower. You can also swap the units in the converter or open the kw to hp page.
Related power conversions
Need a different pair? Open the full power converter to choose any two units.