Convert hp to watts
Horsepower to watts. Enter a value to convert, or use the hp to watts chart further down the page.
1 horsepower equals 745.6998716 watts. Going the other way, 1 watt = 0.00134102209 horsepower.
How to convert hp to watts
To convert horsepower to watts, multiply the horsepower value by 745.6998716. You can also divide by 0.00134102209 to get the same answer.
W = hp × 745.6998716
Worked example
Convert 15 hp to watts:
15 hp = 11,185.49807 W
hp to watts conversion chart
Use this hp to watts table for quick reference without typing anything.
| horsepower (hp) | watts (W) |
|---|---|
| 0.01 hp | 7.456998716 W |
| 0.1 hp | 74.56998716 W |
| 1 hp | 745.6998716 W |
| 2 hp | 1,491.399743 W |
| 3 hp | 2,237.099615 W |
| 5 hp | 3,728.499358 W |
| 10 hp | 7,456.998716 W |
| 20 hp | 14,913.99743 W |
| 50 hp | 37,284.99358 W |
| 100 hp | 74,569.98716 W |
| 1,000 hp | 745,699.8716 W |
What is a horsepower?
Mechanical horsepower is defined as 550 foot-pounds per second, about 745.7 watts. It is the standard unit for engine output in the US and UK.
What is a watt?
The watt is the SI unit of power: one joule per second.
Frequently asked questions
How many watts are in a horsepower?
1 hp equals 745.6998716 watts. Going the other way, 1 watts is 0.00134102209 hp.
How do you convert hp to watts?
To convert horsepower to watts, multiply the horsepower value by 745.6998716. You can also divide by 0.00134102209 to get the same answer.
What is 10 hp in watts?
10 hp equals 7,456.998716 watts. The conversion chart on this page lists the other values people look up most often.
Related power conversions
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