Energy & Power

Foot-pounds to Calories

Convert foot-pounds to calories instantly. 1 ft·lb = 0.3240482668 cal. Includes the exact factor, a conversion table of common values and the definition of both units.

ft·lb
Calories
One step, one exact factorFoot-poundswhat you have× 0.3240482668Calorieswhat you getBoth units are defined against the same base unit, so the factor is exact — never an approximation.

How to convert foot-pounds to calories

To convert foot-pounds to calories, divide by 3.0859600326 (multiply by 0.3240482668). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.

cal = ft·lb × 0.3240482668

Foot-pounds to Calories conversion table

The values people look up most often, rounded for reading. Use the calculator above for anything in between.

Foot-poundsCalories
1 ft·lb0.324048 cal
2 ft·lb0.648097 cal
3 ft·lb0.972145 cal
5 ft·lb1.620241 cal
10 ft·lb3.240483 cal
20 ft·lb6.480965 cal
25 ft·lb8.101207 cal
50 ft·lb16.202413 cal
100 ft·lb32.404827 cal
500 ft·lb162.024133 cal
1,000 ft·lb324.048267 cal

What is a foot-pound?

The energy of one pound-force acting through one foot.

What is a calory?

The small calorie: energy to raise one gram of water by one degree.

The formula

cal = ft·lb × 0.3240482668

Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.

How to use the Foot-pounds to Calories

  1. Type the number of foot-pounds you want to convert.
  2. Read the result in calories straight away — there is no button to press.
  3. Check the table below for the values that come up most often, or reverse the conversion with the linked calories to foot-pounds page.

Foot-pounds to Calories — frequently asked questions

How many calories are in a foot-pound?

One foot-pound equals 0.3240482668 cal. cal = ft·lb × 0.3240482668

What is the formula to convert foot-pounds to calories?

The formula is cal = ft·lb × 0.3240482668. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.

How do I convert calories back to foot-pounds?

Divide instead of multiplying: one calory is 3.0859600326 ft·lb. The reverse converter is linked in the related tools list.

Is this conversion exact?

Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.

Is this foot-pounds to calories free to use?

Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.

What people search for

This page answers each of these searches. They are the exact phrases visitors use to find the foot-pounds to calories.

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About this calculator

Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.

Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error