Watt to Horsepower (hp)
1 W = 0.001341 hp
Convert Watt (W) to Horsepower (hp) (hp) with engineering-grade precision. Instant results, formula, and reference table below.
1 Watt ≈0.0013410221 Horsepower (hp)
How to convert Watt to Horsepower (hp) (W to hp)
Converting Watts to Horsepower (hp)s is critical for developers working with international data standards or scientific applications. This tool performs the calculation entirely on your client (browser) using JavaScript/WASM, ensuring zero latency and maximum privacy.
The Formula
1 W = 0.00134102 hp
Calculation Example
Let's say you want to convert 5 W to hp:
- Input: 5 W
- Calculation: 5 × 0.00134102
- Result: 0.0067 hp
About the Watt to Horsepower (hp) conversion
The conversion factor from Watt (W) to Horsepower (hp) (hp) is 0.001341, meaning 1 W = 0.001341 hp and inversely 1 hp = 745.70 W. That makes the Horsepower (hp) the larger of the two units in the power category, where the SI base unit is the watt. Every ratio here is derived from the SI/international definition rather than a rounded approximation, so results are stable across repeated conversions.
Need the reverse? Use the Horsepower (hp) to Watt converter.
Frequently Asked Questions
How do I convert Watt to Horsepower (hp)?
To convert Watt to Horsepower (hp), you need to multiply the W value by 0.00134102.
What is the formula for W to hp?
The simple formula is: hp = W × 0.00134102.
Which is bigger: Watt or Horsepower (hp)?
A Horsepower (hp) is bigger. One Horsepower (hp) is equal to approx 745.6999 Watts.
How many Watts are in one Horsepower (hp)?
There are approximately 745.700 Watts in one Horsepower (hp).
Quick Conversion Table
| W | hp |
|---|---|
| 1 | 0.0013 |
| 5 | 0.0067 |
| 10 | 0.0134 |
| 20 | 0.0268 |
| 50 | 0.0671 |
| 100 | 0.1341 |