13 Foot-Pound to Calorie (IT)
Quick answer
13 Foot-Pound (ft·lbf) equals
4.20981 cal (IT)
To convert 13 Foot-Pounds to Calorie (IT)s, multiply by 0.3238315535. Therefore, 13 Foot-Pound (ft·lbf) equals 4.20981 Calorie (IT) (cal (IT)).
Formula: cal (IT) = ft·lbf × 0.3238315535. Calculation: 13 × 0.3238315535 = 4.20981 cal (IT).
Convert Foot-Pound (ft·lbf) to Calorie (IT) (cal (IT)) online with our free unit converter. In energy, 1 ft·lbf = 0.323832 cal (IT). Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Foot-Pound to Calorie (IT)
- Step 1 — start with the formula. cal (IT) = ft·lbf × 0.3238315535
- Step 2 — substitute your figure. 13 ft·lbf × 0.3238315535
- Step 3 — read the result. 13 ft·lbf = 4.20981 cal (IT)
- Step 4 — check it in reverse. ft·lbf = cal (IT) × 3.0880252067 returns 13 ft·lbf, which matches the figure you started with.
Energy Converter
27 units available
13 ft·lbf = 4.20981 cal (IT)
Formula:
cal (IT) = ft·lbf × 0.3238315535With your value: 13 ft·lbf = 4.2098102 cal (IT)
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 (IT) conversions
Foot-Pound to Calorie (IT) Conversion Table
| Foot-Pound (ft·lbf) | Calorie (IT) (cal (IT)) |
|---|---|
| 0.5 | 0.161916 |
| 1 | 0.323832 |
| 2 | 0.647663 |
| 5 | 1.619158 |
| 10 | 3.238316 |
| 15 | 4.857473 |
| 20 | 6.476631 |
| 25 | 8.095789 |
| 50 | 16.191578 |
| 100 | 32.383155 |
| 250 | 80.957888 |
| 500 | 161.915777 |
| 1000 | 323.831554 |
Calorie (IT) to Foot-Pound Conversion Table
| Calorie (IT) (cal (IT)) | Foot-Pound (ft·lbf) |
|---|---|
| 0.5 | 1.544013 |
| 1 | 3.088025 |
| 2 | 6.17605 |
| 5 | 15.440126 |
| 10 | 30.880252 |
| 15 | 46.320378 |
| 20 | 61.760504 |
| 25 | 77.20063 |
| 50 | 154.40126 |
| 100 | 308.802521 |
| 250 | 772.006302 |
| 500 | 1,544.012603 |
| 1000 | 3,088.025207 |
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 (IT) (cal (IT))
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 Foot-Pound to Calorie (IT)
To convert from Foot-Pound (ft·lbf) to Calorie (IT) (cal (IT)), multiply the value by 0.3238315535.
Formula: cal (IT) = ft·lbf × 0.3238315535
Reverse: ft·lbf = cal (IT) × 3.0880252067
Step-by-Step Example
- Start with your value in Foot-Pound. For example: 5 ft·lbf
- Multiply by the conversion factor: 5 x 0.3238315535
- The result is: 1.619158 cal (IT)
Foot-Pound and Calorie (IT) Relationship
This calculation facilitates standardized conversion between recognized units of energy. Since 1 Foot-Pound represents a fraction of a Calorie (IT) (1 Calorie (IT) ≈ 3.088 Foot-Pounds), the Calorie (IT) is the larger measurement interval. Understanding the relationship between Foot-Pound and Calorie (IT) 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 (IT)
The Calorie (IT) (symbol: cal (IT)) is a recognized unit in the Standard measurement framework, utilized within energy applications for precision and standardized data representation.
Common uses of Calorie (IT): energy calculations, engineering and science, education.
Frequently Asked Questions
- What is 13 Foot-Pound in Calorie (IT)?
- 13 Foot-Pound equals 4.20981 Calorie (IT).
- How many Calorie (IT)s are in 1 Foot-Pound?
- There are exactly 0.3238315535 Calorie (IT)s in 1 Foot-Pound. This means the conversion factor from Foot-Pound to Calorie (IT) is 0.3238315535.
- What is the formula to convert Foot-Pound to Calorie (IT)?
- The formula to convert Foot-Pound to Calorie (IT) is: cal (IT) = ft·lbf × 0.3238315535. For example, to convert 10 Foot-Pounds to Calorie (IT)s, you would multiply 10 by 0.3238315535.
- 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 (IT)?
- The Calorie (IT) (symbol: cal (IT)) 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 Foot-Pound?
- The Foot-Pound is commonly used in energy calculations, engineering and science, education.
Related Energy Conversions
Cite this page
UnitConvertLab. (2026). 13 Foot-Pound to Calorie (IT). UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/13-foot_pound-to-calorie_it