Kilocalories to Foot Pounds
Convert kilocalories to foot pounds instantly — one kilocalorie is 3085.96 foot pounds.
| Kilocalories | Foot Pounds |
|---|---|
| 1 kcal | 3085.960033 ft·lb |
| 2 kcal | 6171.920065 ft·lb |
| 3 kcal | 9257.880098 ft·lb |
| 5 kcal | 15429.800163 ft·lb |
| 10 kcal | 30859.600326 ft·lb |
| 25 kcal | 77149.000814 ft·lb |
| 50 kcal | 154298.001629 ft·lb |
| 100 kcal | 308596.003258 ft·lb |
How to use
- Enter a value in the Kilocalories field.
- The Foot Pounds figure appears immediately — no button to press.
- Typing in the Foot Pounds field converts back to Kilocalories the same way.
- Use the reference table for the values that come up most often.
Kilocalories to Foot Pounds formula
Converting kilocalories to foot pounds is a single multiplication by 3085.96003.
ft·lb = kcal × 3085.96003
Why this factor: the kilocalorie and the foot-pound are both defined against the joule, so dividing one definition by the other gives 3085.96003 directly. Both definitions are set out in full below.
To go the other way, divide by 3085.96003 — or use the Foot Pounds to Kilocalories converter, which is the same calculation reversed.
Worked example
Given 100 kcal, multiplying by 3085.96003 yields 308596.003258 ft·lb.
100 kcal × 3085.96003 = 308596.003258 ft·lb
The converter above does this for any value you type, in either direction.
What is a kilocalorie?
A kilocalorie is 1,000 calories, and is what food labeling calls a 'Calorie'.
Definition: Exactly 4,184 joules.
Where it is used: Nutrition and dietary energy in the US and much of the world, and metabolic measurements.
Worth knowing: Written with a capital C ('Calorie') or as 'kcal' on labels. This is the unit meant by everyday talk about counting calories.
What is a foot-pound?
A foot-pound is the work done by one pound-force acting through one foot.
Definition: About 1.3558179 joules.
Where it is used: US mechanical work and torque figures, fastener specifications, and firearm muzzle energy.
Worth knowing: As a torque unit it is properly 'pound-foot' (lbf·ft); as an energy unit it is 'foot-pound'. The numbers coincide but the quantities differ.
Kilocalories vs Foot Pounds
The kilocalorie is a specialized unit while the foot-pound is a US customary unit. That is why the factor between them is not a round number: the two systems were defined independently and only later tied together by exact agreement.
Frequently asked questions
How many foot pounds are in a kilocalorie?
One kilocalorie equals 3085.96003 foot pounds.
What is the formula to convert kilocalories to foot pounds?
Multiply the number of kilocalories by 3085.96003. To reverse it, divide by 3085.96003 instead.
How do I convert foot pounds back to kilocalories?
Divide by 3085.96003, which is the same as multiplying by 0.000324048267.
How many foot pounds are in 10 kilocalories?
10 kcal works out to 30859.600326 ft·lb.
Is there anything to watch out for with kilocalories?
Written with a capital C ('Calorie') or as 'kcal' on labels. This is the unit meant by everyday talk about counting calories.
How is the kilocalorie defined?
Exactly 4,184 joules.