BTU per Hour to Horsepower
Convert btu per hour to horsepower instantly. 1 BTU/h = 0.0003930148 hp. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert btu per hour to horsepower
To convert btu per hour to horsepower, divide by 2544.433577644 (multiply by 0.0003930148). 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.
hp = BTU/h × 0.0003930148
BTU per Hour to Horsepower conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| BTU per Hour | Horsepower |
|---|---|
| 1 BTU/h | 0.000393 hp |
| 2 BTU/h | 0.000786 hp |
| 3 BTU/h | 0.001179 hp |
| 5 BTU/h | 0.001965 hp |
| 10 BTU/h | 0.00393 hp |
| 20 BTU/h | 0.00786 hp |
| 25 BTU/h | 0.009825 hp |
| 50 BTU/h | 0.019651 hp |
| 100 BTU/h | 0.039301 hp |
| 500 BTU/h | 0.196507 hp |
| 1,000 BTU/h | 0.393015 hp |
What is a btu per hour?
The rating unit for air conditioners and boilers in the US.
What is a horsepower?
Mechanical horsepower, defined as 550 foot-pounds per second.
The formula
hp = BTU/h × 0.0003930148
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 BTU per Hour to Horsepower
- Type the number of btu per hour you want to convert.
- Read the result in horsepower 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 horsepower to btu per hour page.
BTU per Hour to Horsepower — frequently asked questions
How many horsepower are in a btu per hour?
One btu per hour equals 0.0003930148 hp. hp = BTU/h × 0.0003930148
What is the formula to convert btu per hour to horsepower?
The formula is hp = BTU/h × 0.0003930148. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert horsepower back to btu per hour?
Divide instead of multiplying: one horsepower is 2544.433577644 BTU/h. 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 btu per hour to horsepower 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 btu per hour to horsepower.
- btu per hour to horsepower
- 1 btu per hour to horsepower
- how many horsepower in a btu per hour
- btu/h2hp
- btu per hour in horsepower
- btu per hour to horsepower converter
- convert btu per hour to horsepower
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