To convert btu per hour to horsepower, multiply by 0.0003930147789.
The calculation uses 1 BTU/h = 0.0003930147789 hp. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
value in hp = value in BTU/h × 0.0003930147789
BTU/h- Input unit: btu per hour
hp- Output unit: horsepower
How to use this calculator
- Enter a value in BTU/h.
- Multiply by the stored conversion factor.
- Read the result in hp; divide by the same factor to convert back.
Worked examples
Worked conversion
1 BTU/h × 0.0003930147789 ≈ 0.0003930147789 hp.
Reverse conversion
0.0003930147789 hp ÷ 0.0003930147789 ≈ 1 BTU/h. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 0.0003930147789 hp per BTU/h.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
BTU/h to hp table
| BTU/h | hp (rounded) |
|---|---|
| 0 | 0 |
| 1 | 0.0003930147789 |
| 2 | 0.0007860295578 |
| 5 | 0.001965073895 |
| 10 | 0.003930147789 |
| 100 | 0.03930147789 |
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