Convert watts to hp
1 watt equals 0.00134102 horsepower. To convert watts to horsepower, multiply the number of watts by 0.00134102: for example, 10 W is 0.0134102 hp. Ethical Tube's free watts to hp converter does the math as you type, and the chart below lists common values.
1 W = 0.00134102 hp
- 1 W
- 0.00134102 hp
- 1 hp
- 745.7 W
- Formula
- hp = W × 0.00134102
- Measures
- Power
- Price
- Free
- Works offline
- Yes
Conversion chart
watts to hp chart
| Watts (W) | Horsepower (hp) |
|---|---|
| 1 W | 0.00134102 hp |
| 2 W | 0.00268204 hp |
| 3 W | 0.00402307 hp |
| 4 W | 0.00536409 hp |
| 5 W | 0.00670511 hp |
| 6 W | 0.00804613 hp |
| 8 W | 0.0107282 hp |
| 10 W | 0.0134102 hp |
| 12 W | 0.0160923 hp |
| 15 W | 0.0201153 hp |
| 20 W | 0.0268204 hp |
| 25 W | 0.0335256 hp |
| 50 W | 0.0670511 hp |
| 100 W | 0.134102 hp |
How it works
How to convert watts to hp
Know the formula
hp = W × 0.00134102. In words: multiply the number of watts by 0.00134102.
Work an example
10 W → 0.0134102 hp. Round to two or three decimal places for everyday use.
Or type it in
Enter any value in the converter above and the answer appears instantly, in both directions.
Good to know
About power units
- This converter uses mechanical horsepower (745.7 watts), common for engines in the US and UK. Metric horsepower (PS) is slightly smaller, 735.5 watts.
- Air conditioner ratings in BTU are BTU per hour. A 12,000 BTU unit (one ton of cooling) uses about 3.5 kW of cooling power.
FAQ
Questions, answered
How many horsepower are in a watt?
There are 0.00134102 horsepower in 1 watt. To convert watts to horsepower, multiply the number of watts by 0.00134102.
What is 10 watts in hp?
10 watts is 0.0134102 horsepower.
How do you convert hp back to watts?
Multiply the number of horsepower by 745.7. 1 horsepower is 745.7 watts.
Is this watts to hp converter free?
Yes. It's free and works in any browser, even offline once the page has loaded. The answer updates as you type, and nothing you enter is sent anywhere.
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