9 Foot-Pound to Calorie (th)
Quick answer
9 Foot-Pound (ft·lbf) equals
2.916434 cal
To convert 9 Foot-Pounds to Calorie (th)s, multiply by 0.3240482668. Therefore, 9 Foot-Pound (ft·lbf) equals 2.916434 Calorie (th) (cal).
Formula: cal = ft·lbf × 0.3240482668. Calculation: 9 × 0.3240482668 = 2.916434 cal.
Convert Foot-Pound (ft·lbf) to Calorie (th) (cal) online with our free unit converter. In energy, 1 ft·lbf = 0.324048 cal. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Foot-Pound to Calorie (th)
- Step 1 — start with the formula. cal = ft·lbf × 0.3240482668
- Step 2 — substitute your figure. 9 ft·lbf × 0.3240482668
- Step 3 — read the result. 9 ft·lbf = 2.916434 cal
- Step 4 — check it in reverse. ft·lbf = cal × 3.0859600326 returns 9 ft·lbf, which matches the figure you started with.
Energy Converter
27 units available
9 ft·lbf = 2.916434 cal
Formula:
cal = ft·lbf × 0.3240482668With your value: 9 ft·lbf = 2.9164344 cal
How big is that?
Everyday references on a logarithmic scale, all expressed in foot-pound so you can sanity-check the result.
Other Foot-Pound to Calorie (th) conversions
Foot-Pound to Calorie (th) Conversion Table
| Foot-Pound (ft·lbf) | Calorie (th) (cal) |
|---|---|
| 0.5 | 0.162024 |
| 1 | 0.324048 |
| 2 | 0.648097 |
| 5 | 1.620241 |
| 10 | 3.240483 |
| 15 | 4.860724 |
| 20 | 6.480965 |
| 25 | 8.101207 |
| 50 | 16.202413 |
| 100 | 32.404827 |
| 250 | 81.012067 |
| 500 | 162.024133 |
| 1000 | 324.048267 |
Calorie (th) to Foot-Pound Conversion Table
| Calorie (th) (cal) | Foot-Pound (ft·lbf) |
|---|---|
| 0.5 | 1.54298 |
| 1 | 3.08596 |
| 2 | 6.17192 |
| 5 | 15.4298 |
| 10 | 30.8596 |
| 15 | 46.2894 |
| 20 | 61.719201 |
| 25 | 77.149001 |
| 50 | 154.298002 |
| 100 | 308.596003 |
| 250 | 771.490008 |
| 500 | 1,542.980016 |
| 1000 | 3,085.960033 |
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.
Foot-Pound (ft·lbf)
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
Calorie (th) (cal)
Energy
The thermochemical calorie is exactly 4.184 J.
The International Table calorie (4.1868 J) and the 15 °C calorie differ slightly.
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 Foot-Pound to Calorie (th)
To convert from Foot-Pound (ft·lbf) to Calorie (th) (cal), multiply the value by 0.3240482668.
Formula: cal = ft·lbf × 0.3240482668
Reverse: ft·lbf = cal × 3.0859600326
Step-by-Step Example
- Start with your value in Foot-Pound. For example: 5 ft·lbf
- Multiply by the conversion factor: 5 x 0.3240482668
- The result is: 1.620241 cal
Foot-Pound and Calorie (th) Relationship
This calculation facilitates standardized conversion between recognized units of energy. Since 1 Foot-Pound represents a fraction of a Calorie (th) (1 Calorie (th) ≈ 3.086 Foot-Pounds), the Calorie (th) is the larger measurement interval. Understanding the relationship between Foot-Pound and Calorie (th) is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Foot-Pound
The Foot-Pound (symbol: ft·lbf) is a recognized unit in the US Customary / Imperial measurement framework, utilized within energy applications for precision and standardized data representation.
Common uses of Foot-Pound: energy calculations, engineering and science, education.
About Calorie (th)
The thermochemical calorie equals 4.184 joules. Not to be confused with the food Calorie (kcal), which equals 1,000 calories.
Common uses of Calorie (th): chemistry, nutrition, heating.
Frequently Asked Questions
- What is 9 Foot-Pound in Calorie (th)?
- 9 Foot-Pound equals 2.916434 Calorie (th).
- How many Calorie (th)s are in 1 Foot-Pound?
- There are exactly 0.3240482668 Calorie (th)s in 1 Foot-Pound. This means the conversion factor from Foot-Pound to Calorie (th) is 0.3240482668.
- What is the formula to convert Foot-Pound to Calorie (th)?
- The formula to convert Foot-Pound to Calorie (th) is: cal = ft·lbf × 0.3240482668. For example, to convert 10 Foot-Pounds to Calorie (th)s, you would multiply 10 by 0.3240482668.
- What is a Foot-Pound?
- The Foot-Pound (symbol: ft·lbf) is a recognized unit in the US Customary / Imperial measurement framework, utilized within energy applications for precision and standardized data representation.
- What is a Calorie (th)?
- The thermochemical calorie equals 4.184 joules. Not to be confused with the food Calorie (kcal), which equals 1,000 calories.
- What are the common uses of Foot-Pound?
- The Foot-Pound is commonly used in energy calculations, engineering and science, education.
Related Energy Conversions
Cite this page
UnitConvertLab. (2026). 9 Foot-Pound to Calorie (th). UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/9-foot_pound-to-calorie