Convert Mechanical Horsepower to Watts
Convert mechanical horsepower to watts instantly. Type a value below, check the formula and table, then see how the same hp(I) to W conversion looks as a single line in Notes Calculator.
In Notes Calculator, type 100 hp to W and the answer appears as you type.
Mechanical Horsepower to Watts formula
One mechanical horsepower is 745.7 watts, so W = hp(I) × 745.7. For the reverse, multiply watts by 0.00134102, or use the Watts to Mechanical Horsepower converter.
Mechanical Horsepower to Watts conversion table
| Mechanical Horsepower (hp(I)) | Watts (W) |
|---|---|
| 1 | 745.7 |
| 2 | 1,491.4 |
| 5 | 3,728.5 |
| 10 | 7,457 |
| 20 | 14,914 |
| 25 | 18,642.5 |
| 50 | 37,285 |
| 100 | 74,570 |
| 250 | 186,425 |
| 500 | 372,850 |
| 1,000 | 745,700 |
Mechanical Horsepower to Watts in Notes Calculator
Notes Calculator is a notepad that does math. Write 100 hp to W on any line and the answer appears beside it. Change the number and the result follows. The same works with in and as, and with values stored in variables, so a whole estimate can mix mechanical horsepower and watts without a separate converter.
| Note | Result |
|---|---|
| 100 hp to W | 74,570 W |
| 100 hp in W | 74,570 W |
| 10 W as hp | 0.01 hp |
See the unit conversion docs for mixing units in one expression, or open the free web app and try it.
Notes Calculator is a notepad calculator for the web and a calculator app for Mac, Windows, Linux, iOS and Android.
FAQ
Frequently asked questions
- One mechanical horsepower equals 745.7 watts. To convert mechanical horsepower to watts, multiply by 745.7; to go back, multiply by 0.00134102.
- Type the value, the unit, and the target unit on one line: 100 hp to W. The keywords to, in, and as all work, and the result updates as you type. You can also keep the value in a variable and convert it later.
- Yes. The converter on this page is free, and Notes Calculator has a free plan for the web, Mac, Windows, Linux, Android, and iOS with the same unit conversions built in.
How many watts are in one mechanical horsepower?
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Convert mechanical horsepower to watts without leaving your notes.
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