Convert Watt to Horsepower
Enter a value in Watt to see it instantly in Horsepower, or use the reverse converter below.
Watt
Definition: The SI derived unit of power, equal to one joule per second.
Current use: Used for electrical appliance and device power ratings.
Horsepower
Definition: Originally defined to compare steam engines to draft horses.
Current use: Used worldwide for engine and motor power ratings.
Watt to Horsepower Conversion Table
| Watt [W] | Horsepower [hp] |
|---|---|
| 0.01 W | 0.0000134102 hp |
| 0.1 W | 0.0001341022 hp |
| 1 W | 0.0013410221 hp |
| 2 W | 0.0026820442 hp |
| 3 W | 0.0040230663 hp |
| 5 W | 0.0067051104 hp |
| 10 W | 0.0134102209 hp |
| 20 W | 0.0268204418 hp |
| 50 W | 0.0670511045 hp |
| 100 W | 0.134102209 hp |
| 1000 W | 1.3410220896 hp |
How to Convert Watt to Horsepower
1 hp = 745.6998715823 W
Example: convert 1 W to hp:
Horsepower to Watt Conversion Table
| Horsepower [hp] | Watt [W] |
|---|---|
| 0.01 hp | 7.4569987158 W |
| 0.1 hp | 74.5699871582 W |
| 1 hp | 745.6998715823 W |
| 2 hp | 1491.3997431645 W |
| 3 hp | 2237.0996147468 W |
| 5 hp | 3728.4993579114 W |
| 10 hp | 7456.9987158227 W |
| 20 hp | 14913.9974316454 W |
| 50 hp | 37284.9935791135 W |
| 100 hp | 74569.987158227 W |
| 1000 hp | 745699.8715822703 W |
Quick Estimate
For a quick mental estimate, 1 W is about 0.0013 hp, and 1 hp is about 746 W. Use the exact calculator above when accuracy matters, such as for money, medicine, engineering or anything you will buy or sell.
Frequently Asked Questions
How many Horsepower are in 1 Watt?
1 Watt (W) equals 0.0013410221 Horsepower (hp).
How do I convert Watt to Horsepower?
Multiply the value in W by 0.0013410221 to get hp. To go the other way, multiply hp by 745.6998715823.
What is 10 Watt in Horsepower?
10 W = 0.0134102209 hp.
What is 100 Watt in Horsepower?
100 W = 0.134102209 hp.
What is a Watt?
The SI derived unit of power, equal to one joule per second. Used for electrical appliance and device power ratings.
What is a Horsepower?
Originally defined to compare steam engines to draft horses. Used worldwide for engine and motor power ratings.
How many Watt are in 1 Horsepower?
1 Horsepower (hp) equals 745.6998715823 Watt (W).
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