Convert horsepower to BTU per hour
1 hp = 2,544.43 BTU/h. Change the amount below, or read the formula and the reference table further down.
1 horsepower equals
BTU per hour
1 hp = 2,544.43 BTU/h
The formula
Horsepower and BTU per hour both measure power from the same zero, so a single multiplier does the job.
BTU/h = hp × 2,544.43
Going the other way? Convert BTU per hour to horsepower.
Horsepower to BTU per hour table
Common values, rounded for reading.
| Horsepower (hp) | BTU per hour (BTU/h) |
|---|---|
| 1 | 2,544.43 |
| 2 | 5,088.87 |
| 3 | 7,633.3 |
| 4 | 10,177.73 |
| 5 | 12,722.17 |
| 6 | 15,266.6 |
| 7 | 17,811.04 |
| 8 | 20,355.47 |
| 9 | 22,899.9 |
| 10 | 25,444.34 |
| 15 | 38,166.5 |
| 20 | 50,888.67 |
| 25 | 63,610.84 |
| 30 | 76,333.01 |
| 40 | 101,777.34 |
| 50 | 127,221.68 |
| 75 | 190,832.52 |
| 100 | 254,443.36 |
| 250 | 636,108.39 |
| 500 | 1,272,216.79 |
| 1,000 | 2,544,433.58 |
Questions people ask
- How many BTU per hour are in a horsepower?
- One horsepower equals 2,544.43 BTU per hour.
- How do I convert horsepower to BTU per hour by hand?
- Multiply the number of horsepower by 2,544.43. For a rough check, 2,544.43 is close enough for most everyday use.
- What is 1 horsepower in BTU per hour?
- 1 horsepower is 2,544.43 BTU per hour.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.