A foot-pound (ft-lb) is the work done by one pound-force acting through a distance of one foot, commonly used in mechanical and engineering calculations.
Foot-pounds to Kilocalories
Convert Foot-pound (ft-lb) to Kilocalorie (kcal) instantly with an exact formula, conversion table, and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Energy calculator
Energy Converter
Convert foot-pounds (ft-lb) to kilocalories (kcal) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A kilocalorie (kcal) equals 1,000 small calories and is the unit behind the food "Calorie" shown on nutrition labels.
kcal = ft-lb × 0.0003240482668
Results update instantly for Foot-pounds to Kilocalories conversions.
Reserved above the conversion cards and below the converter.
Formula
kcal = ft-lb × 0.0003240482668
ft-lb = kcal × 3085.960033
Conversion table
| 1 ft-lb | 0.000324 kcal |
| 5 ft-lb | 0.001620 kcal |
| 10 ft-lb | 0.003240 kcal |
| 20 ft-lb | 0.006481 kcal |
| 50 ft-lb | 0.016202 kcal |
| 100 ft-lb | 0.032405 kcal |
| 500 ft-lb | 0.162024 kcal |
| 1000 ft-lb | 0.324048 kcal |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both foot-pound and kilocalorie measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in foot-pounds by 0.0003240482668 to get kilocalories. To reverse the conversion, multiply a kilocalorie value by 3085.960033 to get back to foot-pounds.
Frequently asked questions
What is Foot-pound (ft-lb)?
A foot-pound (ft-lb) is the work done by one pound-force acting through a distance of one foot, commonly used in mechanical and engineering calculations.
What is Kilocalorie (kcal)?
A kilocalorie (kcal) equals 1,000 small calories and is the unit behind the food "Calorie" shown on nutrition labels.
How do I convert foot-pounds to kilocalories?
Multiply the foot-pound value by 0.0003240482668 to get the equivalent in kilocalories. For example, 5 ft-lb × 0.0003240482668 = 0.001620 kcal.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 0.0003240482668 is an exact, non-rounded value.
Can I convert kilocalories back to foot-pounds?
Yes. Divide the kilocalorie value by 0.0003240482668, or multiply it by 3085.960033, to get foot-pounds.
Reserved between the FAQ and the article so the page stays balanced.
About converting foot-pounds to kilocalories
A foot-pound (ft-lb) is the work done by one pound-force acting through a distance of one foot, commonly used in mechanical and engineering calculations. A kilocalorie (kcal) equals 1,000 small calories and is the unit behind the food "Calorie" shown on nutrition labels.
Use this calculator to move between foot-pounds and kilocalories accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.