Horsepower (hp) to Watt
1 hp = 745.70 W
Convert Horsepower (hp) (hp) to Watt (W) with engineering-grade precision. Instant results, formula, and reference table below.
1 Horsepower (hp) ≈745.699872 Watt
How to convert Horsepower (hp) to Watt (hp to W)
Converting Horsepower (hp)s to Watts 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 hp = 745.700 W
Calculation Example
Let's say you want to convert 5 hp to W:
- Input: 5 hp
- Calculation: 5 × 745.700
- Result: 3728.4994 W
About the Horsepower (hp) to Watt conversion
The conversion factor from Horsepower (hp) (hp) to Watt (W) is 745.70, meaning 1 hp = 745.70 W and inversely 1 W = 0.001341 hp. 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 Watt to Horsepower (hp) converter.
Frequently Asked Questions
How do I convert Horsepower (hp) to Watt?
To convert Horsepower (hp) to Watt, you need to multiply the hp value by 745.700.
What is the formula for hp to W?
The simple formula is: W = hp × 745.700.
Which is bigger: Horsepower (hp) or Watt?
A Horsepower (hp) is bigger. One Horsepower (hp) is equal to approx 745.6999 Watts.
How many Horsepower (hp)s are in one Watt?
There are approximately 0.00134102 Horsepower (hp)s in one Watt.
Quick Conversion Table
| hp | W |
|---|---|
| 1 | 745.6999 |
| 5 | 3728.4994 |
| 10 | 7456.9987 |
| 20 | 14913.9974 |
| 50 | 37284.9936 |
| 100 | 74569.9872 |