kW to HP Calculator
Convert kilowatts to horsepower instantly. Get accurate mechanical, metric, and electrical horsepower results with a full unit breakdown.
Power Conversion Details
Enter your power value in kilowatts to convert it to horsepower
Enter the power rating in kilowatts you want to convert.
Choose the horsepower standard used in your region or industry.
Adjust if you want the usable output power rather than rated input power.
Enter RPM to also estimate torque in Newton-metres. Leave as 0 to skip.
Conversion Results
Horsepower equivalent across common standards
Enter your power value in kilowatts above, then click Convert to HP to see the horsepower equivalent.
kW to HP Conversion Table
Common kilowatt values converted to mechanical horsepower for quick reference, based on 1 kW = 1.34102 hp.
| Kilowatts (kW) | Mechanical HP | Metric HP (PS) |
|---|---|---|
| 10 kW | 13.41 hp | 13.60 PS |
| 25 kW | 33.53 hp | 33.99 PS |
| 50 kW | 67.05 hp | 67.98 PS |
| 75 kW | 100.58 hp | 101.97 PS |
| 100 kW | 134.10 hp | 135.96 PS |
| 150 kW | 201.15 hp | 203.94 PS |
| 200 kW | 268.20 hp | 271.92 PS |
kW to HP FAQ
Everything you need to know about converting kilowatts to horsepower and the different horsepower standards.
To convert kilowatts to mechanical horsepower, multiply the kW value by 1.34102. For metric horsepower (PS), multiply by 1.35962. For electrical horsepower, multiply by 1.34048. Simply enter your kW figure into the calculator above and select the horsepower type to get an instant result.
Mechanical horsepower (hp) is the imperial standard used mainly in the US and UK, equal to 745.7 watts. Metric horsepower (PS or CV) is used across Europe and is equal to 735.5 watts. Electrical horsepower is a slightly different standard used for rating electric motors, equal to exactly 746 watts.
1 mechanical horsepower is equal to approximately 0.7457 kilowatts. 1 metric horsepower (PS) is equal to approximately 0.7355 kilowatts. This means a 100 kW engine is roughly equivalent to 134 mechanical horsepower.
Kilowatts are the official SI unit of power and are used in most vehicle registration documents and EU regulations, while horsepower remains the more familiar and widely marketed figure for consumers. Manufacturers often list both so buyers can compare figures regardless of region or convention.
No, the kW to HP conversion itself is a fixed mathematical relationship and does not change with efficiency. However, the kW figure quoted by a manufacturer may represent either input power or usable output power, so it is worth checking whether efficiency losses have already been factored into the stated rating.