Horsepower (British) to Watt Converter (hp to W)
1 horsepower (british) = 745.7 watt. One horsepower equals 745.7 watts.
Result
2 hp = 1,491.4 W
How to convert horsepower (british) to watt
One horsepower equals 745.7 watts. The unit was invented by James Watt to compare steam engines with draft horses. It is still used for motors, blenders and pumps.
Formula
W = hp × 745.7
Worked example
2 hp × 745.7 = 1,491.4 W
Horsepower (British) to Watt quick-reference table
| Horsepower (British) (hp) | Watt (W) |
|---|---|
| 0.25 hp | 186.425 W |
| 0.5 hp | 372.85 W |
| 1 hp | 745.7 W |
| 2 hp | 1,491.4 W |
| 5 hp | 3,728.5 W |
| 10 hp | 7,457 W |
Real-life examples
A 2 hp pump is 1,491 W, and a 1/4 hp fan motor is 186 W.
Frequently asked questions
How many watts is 1 hp?
One mechanical horsepower is 745.7 watts.
How many hp is a 1,000 W motor?
1,000 W is 1.341 hp.
What is 1 horsepower (british) in watt?
1 horsepower (british) = 745.7 watt (hp to W).
What is the formula to convert hp to W?
W = hp × 745.7. For example, 2 hp × 745.7 = 1,491.4 W.
How do I convert W back to hp?
Use the reverse converter: 1 watt = 0.00134102 horsepower (british). Check: 1,491.4 W converts back to 2 hp.
Reverse conversion
Need the other direction? Watt to Horsepower (British) converter (W to hp): 1 watt = 0.00134102 horsepower (british).
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