What is hp to kW Converter?
This tool converts Horsepower (hp) to Kilowatt (kW) quickly and accurately. Whether you're working with motors, appliances, or HVAC systems, this converter provides instant results.
Understanding the Units
Horsepower (hp): Mechanical horsepower used in the US and UK. Equal to 745.7 watts. Standard for rating vehicle engines and industrial motors.
Kilowatt (kW): Standard metric unit equal to 1,000 watts. Used worldwide for rating electrical appliances, motors, and power consumption.
Common Applications
- Automotive: Comparing vehicle engine power ratings between regions
- Motorcycles: Understanding motor specifications in different markets
- Electric vehicles: Motor power ratings and charging specifications
- Home appliances: Understanding power consumption of devices
Privacy
All conversions happen in your browser. No data is stored or sent to any server.
How to Use
Converting hp to kW takes just seconds:
- Enter the hp value in the first input field
- View the kW result instantly in the second field
- Copy the result using the copy button if needed
Reverse Conversion
Need to convert kW to hp instead? Simply click the swap button (↔) to reverse the conversion direction, or type in the kW field directly.
Practical Example
A 150 hp car engine equals approximately 111.85 kW. This helps when comparing engine power to kilowatts.
Tips for Accurate Conversions
- Use decimal points for precise values
- Large numbers are automatically formatted with thousand separators
- Results update instantly as you type
Features
Instant Conversion
Results appear as you type, with no need to click a convert button. The calculation uses precise conversion factors for accurate results.
Bidirectional Input
Type in either field and the other updates automatically. This makes it easy to work in whichever direction you need.
Copy Results
Click the copy button next to any value to copy it to your clipboard for use in documents, spreadsheets, or specifications.
Quick Reference Table
The reference section shows common hp-to-kW conversions at a glance for quick lookups without manual calculation.
Unit Flexibility
Use the dropdown menus to switch to other power units if needed. The converter supports Watts, Kilowatts, Horsepower, BTU/h, and many more.
Mobile Friendly
The converter works on all devices - desktop, tablet, and mobile. Convert power units anywhere you need them.
Frequently Asked Questions
How do I convert hp to kW?
To convert Horsepower to Kilowatt, multiply the hp value by 0.7457. For example, 1 hp = 0.7457 kW.
What is the formula for hp to kW?
The conversion formula is: kW = hp × 0.7457. To convert back: hp = kW × 1.34.
What is Horsepower?
Mechanical horsepower used in the US and UK. Equal to 745.7 watts. Standard for rating vehicle engines and industrial motors.
What is Kilowatt?
Standard metric unit equal to 1,000 watts. Used worldwide for rating electrical appliances, motors, and power consumption.
Why do electric cars use kW instead of horsepower?
Kilowatts are the international standard for electrical power, making kW natural for electric motors. However, manufacturers often provide hp equivalents for comparison with traditional vehicles. A 100 kW EV motor equals about 134 hp.
Is this converter accurate?
Yes, the converter uses internationally recognized conversion factors with high precision. Results are accurate for engineering, HVAC, and automotive applications.
Can I convert other power units?
Yes, use the dropdown menus to select from many power units including Watts, Kilowatts, Megawatts, Horsepower (hp/PS), BTU/h, Tons of Refrigeration, and more.
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