How to convert Horsepower to BTU per Hour
To convert Horsepower to BTU per Hour, multiply the value by the conversion factor 2,544.43. To go the other way, multiply by 0.0003930148 (or divide by 2,544.43).
Worked example: 25 hp to BTU/h
- Write the value: 25 hp
- Multiply by 2,544.43: 25 × 2,544.43
- Result: 63,610.84 BTU/h
Horsepower to BTU per Hour conversion table
Quick reference values, rounded to 6 significant digits.
| Horsepower (hp) | BTU per Hour (BTU/h) |
|---|---|
| 0.001 hp | 2.54443 BTU/h |
| 0.005 hp | 12.7222 BTU/h |
| 0.01 hp | 25.4443 BTU/h |
| 0.05 hp | 127.222 BTU/h |
| 0.1 hp | 254.443 BTU/h |
| 0.25 hp | 636.108 BTU/h |
| 0.5 hp | 1,272.22 BTU/h |
| 1 hp | 2,544.43 BTU/h |
| 2 hp | 5,088.87 BTU/h |
| 3 hp | 7,633.3 BTU/h |
| 5 hp | 12,722.17 BTU/h |
| 10 hp | 25,444.34 BTU/h |
| 20 hp | 50,888.67 BTU/h |
| 50 hp | 127,222 BTU/h |
| 100 hp | 254,443 BTU/h |
BTU per Hour to Horsepower
| BTU/h | hp |
|---|---|
| 1 BTU/h | 0.000393015 hp |
| 5 BTU/h | 0.00196507 hp |
| 10 BTU/h | 0.00393015 hp |
| 50 BTU/h | 0.0196507 hp |
| 100 BTU/h | 0.0393015 hp |
1 Horsepower in other power units
About Horsepower and BTU per Hour
What is a horsepower (hp)?
Mechanical horsepower is about 745.7 watts, used for engines and water pumps.
What is a btu per hour (BTU/h)?
BTU per hour measures heating and cooling capacity of air conditioners.
Air-conditioner tip: a 1-ton AC provides 12,000 BTU/h of cooling. A rough rule for Bangladesh is 1 ton per 100–120 sq ft of room area, more for top floors and west-facing rooms.
Where horsepower to btu per hour conversion is used
Power conversions are needed for choosing air conditioners, generators, IPS/UPS, motors and solar panels. Converting between Horsepower and BTU per Hour is especially common when you compare products, read foreign specifications, or fill in forms that expect a specific unit.
Need every unit at once? Use the full Power Converter.
Frequently asked questions
How many BTU per Hour are in 1 horsepower?
1 Horsepower equals 2,544.43 BTU/h.
How do I convert Horsepower to BTU per Hour?
Multiply the number of Horsepower by 2,544.43. For example, 25 hp × 2,544.43 = 63,610.84 BTU/h.
What is 25 hp in BTU/h?
25 hp = 63,610.84 BTU/h.
How many Horsepower are in 1 btu per hour?
1 BTU per Hour equals 0.000393015 hp. Use the Btu Hr to HP converter for the reverse direction.
Is this Horsepower to BTU per Hour converter accurate?
Yes. It uses exact internationally defined conversion factors, calculated with full floating-point precision. Results are displayed rounded for readability.