Calories to Stones Conversion

Enter the weight in calories below to get the value converted to stones.

Results in Stones:
Loading content.
1 kcal = 2.0408E-5 stones
1 kcal = 0.000285712 lb
1 kcal = 0 lb 0.004571392 oz
Hint: use a scientific notation calculator to convert E notation to decimal
Do you want to convert stones to calories?

How to Convert Calories to Stones

To convert a calorie measurement to a stone measurement, divide the weight by the conversion ratio.

Since one stone is equal to 49,000 calories, you can use this simple formula to convert:

stones = calories ÷ 49,000

The weight in stones is equal to the calories divided by 49,000.

For example, here's how to convert 50,000 calories to stones using the formula above.
50,000 kcal = (50,000 ÷ 49,000) = 1.020408 st

Calories are a unit of energy, and stones are a unit of weight. Keep reading to learn more about each unit of measure.


Converting calories is actually a conversion of energy burned by the body performing work rather than actual weight. When measuring the energy content in foods, the large calorie, or kilocalorie, is used, but it's often still just called a "calorie."

One calorie (large calorie) is equal to the heat needed to raise the temperature of one kilogram of water by 1 degree Celsius.[1] You'll need to burn 3,500 calories more than you eat to lose one pound of weight.[2]

Calories can be abbreviated as kcal; for example, 1 calorie can be written as 1 kcal.


One stone is equal to 14 pounds and is mostly used in the United Kingdom and Ireland as a unit of mass. It's most commonly used to measure personal body weight.[3]

The stone is an imperial unit of weight. Stones can be abbreviated as st; for example, 1 stone can be written as 1 st.

Calorie to Stone Conversion Table

Calorie measurements converted to stones
Calories Stones
1 kcal 0.000020408 st
2 kcal 0.000040816 st
3 kcal 0.000061224 st
4 kcal 0.000081633 st
5 kcal 0.000102 st
6 kcal 0.000122 st
7 kcal 0.000143 st
8 kcal 0.000163 st
9 kcal 0.000184 st
10 kcal 0.000204 st
100 kcal 0.002041 st
1,000 kcal 0.020408 st
10,000 kcal 0.204082 st
100,000 kcal 2.0408 st


  1. Brazier, Yvette, How many calories do you need?, Medical News Today,
  2. Guth, E., Healthy Weight Loss, JAMA, 2014, 312(9), 974.
  3. National Institute of Standards and Technology, Handbook 44 - 2012 - Appendix B,

More Calorie & Stone Conversions