Horsepower to Megawatts
Convert horsepower to megawatts instantly. 1 hp = 0.0007456999 MW. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert horsepower to megawatts
To convert horsepower to megawatts, divide by 1341.022089595 (multiply by 0.0007456999). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
MW = hp × 0.0007456999
Horsepower to Megawatts conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Horsepower | Megawatts |
|---|---|
| 1 hp | 0.0007457 MW |
| 2 hp | 0.001491 MW |
| 3 hp | 0.002237 MW |
| 5 hp | 0.003728 MW |
| 10 hp | 0.007457 MW |
| 20 hp | 0.014914 MW |
| 25 hp | 0.018642 MW |
| 50 hp | 0.037285 MW |
| 100 hp | 0.07457 MW |
| 500 hp | 0.37285 MW |
| 1,000 hp | 0.7457 MW |
What is a horsepower?
Mechanical horsepower, defined as 550 foot-pounds per second.
What is a megawatt?
A million watts, the scale of power stations and wind farms.
The formula
MW = hp × 0.0007456999
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the Horsepower to Megawatts
- Type the number of horsepower you want to convert.
- Read the result in megawatts straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked megawatts to horsepower page.
Horsepower to Megawatts — frequently asked questions
How many megawatts are in a horsepower?
One horsepower equals 0.0007456999 MW. MW = hp × 0.0007456999
What is the formula to convert horsepower to megawatts?
The formula is MW = hp × 0.0007456999. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert megawatts back to horsepower?
Divide instead of multiplying: one megawatt is 1341.022089595 hp. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this horsepower to megawatts free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
What people search for
This page answers each of these searches. They are the exact phrases visitors use to find the horsepower to megawatts.
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error