Watts to Mechanical horsepower
Convert watts to mechanical horsepower (W to hp). 1 W = 0.0013410220896 hp. Use the calculator, formula and conversion table.
How to convert watts to mechanical horsepower
Multiply the amount in watts by 0.0013410220896 to get mechanical horsepower. The displayed factor and results are rounded to 12 significant digits.
hp = W × 0.0013410220896Worked example
1 W = 0.0013410220896 hp. Change the amount in the calculator above to use your own value.
Units and assumptions
A kilowatt is 1,000 watts. Mechanical horsepower and metric horsepower are separate options. BTU per hour uses the International Table BTU.
Calculator results use floating-point arithmetic and are rounded for display. The reference table below uses up to 12 significant digits.
Watts to Mechanical horsepower table
| Watts (W) | Mechanical horsepower (hp) |
|---|---|
| 0 | 0 |
| 1 | 0.0013410220896 |
| 5 | 0.00670511044798 |
| 10 | 0.013410220896 |
| 25 | 0.0335255522399 |
| 100 | 0.13410220896 |
| 1,000 | 1.3410220896 |
About this conversion
What is the formula for watts to mechanical horsepower?
hp = W × 0.0013410220896. Multiply the amount in watts by 0.0013410220896 to get mechanical horsepower. The displayed factor and results are rounded to 12 significant digits.
How do I convert back to watts?
Use the mechanical horsepower to watts calculator to reverse this conversion. You can also use Swap units in the calculator above.
Can I use a different pair of units?
Choose another unit in the calculator, or open the power converter to browse all supported pairs.