1 Therm to Horsepower-Hour
Quick answer
1 Therm (thm) equals
39.301478 hp·h
To convert 1 Therms to Horsepower-Hours, multiply by 39.3014778922. Therefore, 1 Therm (thm) equals 39.301478 Horsepower-Hour (hp·h).
Formula: hp·h = thm × 39.3014778922. Calculation: 1 × 39.3014778922 = 39.301478 hp·h.
Convert Therm (thm) to Horsepower-Hour (hp·h) online with our free unit converter. In energy, 1 thm = 39.301478 hp·h. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Therm to Horsepower-Hour
- Step 1 — start with the formula. hp·h = thm × 39.3014778922
- Step 2 — substitute your figure. 1 thm × 39.3014778922
- Step 3 — read the result. 1 thm = 39.301478 hp·h
- Step 4 — check it in reverse. thm = hp·h × 0.0254443358 returns 1 thm, which matches the figure you started with.
Energy Converter
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1 thm = 39.301478 hp·h
Formula:
hp·h = thm × 39.3014778922With your value: 1 thm = 39.30147789 hp·h
How big is that?
Everyday references on a logarithmic scale, all expressed in therm so you can sanity-check the result.
Other Therm to Horsepower-Hour conversions
Therm to Horsepower-Hour Conversion Table
| Therm (thm) | Horsepower-Hour (hp·h) |
|---|---|
| 0.5 | 19.650739 |
| 1 | 39.301478 |
| 2 | 78.602956 |
| 5 | 196.507389 |
| 10 | 393.014779 |
| 15 | 589.522168 |
| 20 | 786.029558 |
| 25 | 982.536947 |
| 50 | 1,965.073895 |
| 100 | 3,930.147789 |
| 250 | 9,825.369473 |
| 500 | 19,650.738946 |
| 1000 | 39,301.477892 |
Horsepower-Hour to Therm Conversion Table
| Horsepower-Hour (hp·h) | Therm (thm) |
|---|---|
| 0.5 | 0.012722 |
| 1 | 0.025444 |
| 2 | 0.050889 |
| 5 | 0.127222 |
| 10 | 0.254443 |
| 15 | 0.381665 |
| 20 | 0.508887 |
| 25 | 0.636108 |
| 50 | 1.272217 |
| 100 | 2.544434 |
| 250 | 6.361084 |
| 500 | 12.722168 |
| 1000 | 25.444336 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Therm (thm)
Energy
Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Horsepower-Hour (hp·h)
Energy
Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Therm to Horsepower-Hour
To convert from Therm (thm) to Horsepower-Hour (hp·h), multiply the value by 39.3014778922.
Formula: hp·h = thm × 39.3014778922
Reverse: thm = hp·h × 0.0254443358
Step-by-Step Example
- Start with your value in Therm. For example: 5 thm
- Multiply by the conversion factor: 5 x 39.3014778922
- The result is: 196.507389 hp·h
Therm and Horsepower-Hour Relationship
This calculation facilitates standardized conversion between recognized units of energy. Since 1 Therm equals approximately 39.3015 Horsepower-Hours, the Therm represents a larger unit interval than the Horsepower-Hour. Understanding the relationship between Therm and Horsepower-Hour is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Therm
The Therm (symbol: thm) is a recognized unit in the Standard measurement framework, utilized within energy applications for precision and standardized data representation.
Common uses of Therm: energy calculations, engineering and science, education.
About Horsepower-Hour
The Horsepower-Hour (symbol: hp·h) is a recognized unit in the Standard measurement framework, utilized within energy applications for precision and standardized data representation.
Common uses of Horsepower-Hour: energy calculations, engineering and science, education.
Frequently Asked Questions
- What is 1 Therm in Horsepower-Hour?
- 1 Therm equals 39.301478 Horsepower-Hour.
- How many Horsepower-Hours are in 1 Therm?
- There are exactly 39.3014778922 Horsepower-Hours in 1 Therm. This means the conversion factor from Therm to Horsepower-Hour is 39.3014778922.
- What is the formula to convert Therm to Horsepower-Hour?
- The formula to convert Therm to Horsepower-Hour is: hp·h = thm × 39.3014778922. For example, to convert 10 Therms to Horsepower-Hours, you would multiply 10 by 39.3014778922.
- What is a Therm?
- The Therm (symbol: thm) is a recognized unit in the Standard measurement framework, utilized within energy applications for precision and standardized data representation.
- What is a Horsepower-Hour?
- The Horsepower-Hour (symbol: hp·h) is a recognized unit in the Standard measurement framework, utilized within energy applications for precision and standardized data representation.
- What are the common uses of Therm?
- The Therm is commonly used in energy calculations, engineering and science, education.
Related Energy Conversions
Cite this page
UnitConvertLab. (2026). 1 Therm to Horsepower-Hour. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/1-therm-to-horsepower_hour