Convert Horsepower to Kilowatts
| Horsepower (hp) | Kilowatts (kW) |
|---|---|
| 1 | 0.7457 |
| 10 | 7.457 |
| 50 | 37.285 |
| 100 | 74.57 |
| 500 | 372.85 |
| 746 | 556.2922 |
| 1000 | 745.7 |
| 5000 | 3728.5 |
| 10000 | 7457 |
How to Convert Horsepower to Kilowatts
Power conversion is essential for automotive, electrical, and mechanical engineering. Whether you're comparing car engines, sizing generators, or understanding your electricity usage, converting between Horsepower and Kilowatts is a key skill.
Conversion Formula
Power is the rate of energy transfer. The watt (1 J/s) is the SI unit. The conversion factor 0.745700 translates between hp and kW based on their watt equivalents.
Step-by-Step Examples
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Frequently Asked Questions
How do I convert Horsepower to Kilowatts?
Multiply the Horsepower value by 0.745700. For example, 746 hp ≈ 556.292 kW.
What is the relationship between horsepower and watts?
1 mechanical horsepower = 745.7 watts. This was defined by James Watt to compare steam engines with draft horses. A typical car engine produces 150–300 hp (112–224 kW).
What is the formula for Horsepower to Kilowatts?
kW = hp × 0.745700. Power is energy per unit time, and this factor relates the specific definitions of hp and kW.
What is the difference between power and energy?
Power is the rate of energy transfer (measured in watts), while energy is the total amount of work done (measured in joules or kWh). A 100W bulb running for 10 hours uses 1 kWh of energy.