Stones to Calories Conversion (st to kcal)

Stones to Calories Converter

Enter the weight in stones below to convert it to calories.

Result in Calories:

1 st = 49,000 kcal

How to Convert Stones to Calories

To convert a measurement in stones to a measurement in calories, multiply the weight by the following conversion ratio: 49,000 calories/stone.

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

calories = stones × 49,000

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

For example, here's how to convert 5 stones to calories using the formula above.

calories = (5 st × 49,000) = 245,000 kcal

How Many Calories Are in a Stone of Body Fat?

There are 49,000 calories in a stone of body fat, which is why we use this value in the formula above.

1 st = 49,000 kcal

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

What Is a Stone?

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.^[1]

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

Learn more about stones.

What Is a Calorie?

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.^[2] You'll need to burn 3,500 calories more than you eat to lose one pound of weight.^[3]

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

Learn more about calories.

Stone to Calorie Conversion Table

Table showing various stone measurements converted to calories.
Stones	Calories
0.0001 st	4.9 kcal
0.0002 st	9.8 kcal
0.0003 st	14.7 kcal
0.0004 st	19.6 kcal
0.0005 st	24.5 kcal
0.0006 st	29.4 kcal
0.0007 st	34.3 kcal
0.0008 st	39.2 kcal
0.0009 st	44.1 kcal
0.001 st	49 kcal
0.002 st	98 kcal
0.003 st	147 kcal
0.004 st	196 kcal
0.005 st	245 kcal
0.006 st	294 kcal
0.007 st	343 kcal
0.008 st	392 kcal
0.009 st	441 kcal
0.01 st	490 kcal
0.02 st	980 kcal
0.03 st	1,470 kcal
0.04 st	1,960 kcal
0.05 st	2,450 kcal
0.06 st	2,940 kcal
0.07 st	3,430 kcal
0.08 st	3,920 kcal
0.09 st	4,410 kcal
0.1 st	4,900 kcal
0.2 st	9,800 kcal
0.3 st	14,700 kcal
0.4 st	19,600 kcal
0.5 st	24,500 kcal
0.6 st	29,400 kcal
0.7 st	34,300 kcal
0.8 st	39,200 kcal
0.9 st	44,100 kcal
1 st	49,000 kcal

Table showing various stone measurements converted to calories.

Stones

Calories

0.0001 st

4.9 kcal

0.0002 st

9.8 kcal

0.0003 st

14.7 kcal

0.0004 st

19.6 kcal

0.0005 st

24.5 kcal

0.0006 st

29.4 kcal

0.0007 st

34.3 kcal

0.0008 st

39.2 kcal

0.0009 st

44.1 kcal

0.001 st

49 kcal

0.002 st

98 kcal

0.003 st

147 kcal

0.004 st

196 kcal

0.005 st

245 kcal

0.006 st

294 kcal

0.007 st

343 kcal

0.008 st

392 kcal

0.009 st

441 kcal

0.01 st

490 kcal

0.02 st

980 kcal

0.03 st

1,470 kcal

0.04 st

1,960 kcal

0.05 st

2,450 kcal

0.06 st

2,940 kcal

0.07 st

3,430 kcal

0.08 st

3,920 kcal

0.09 st

4,410 kcal

0.1 st

4,900 kcal

0.2 st

9,800 kcal

0.3 st

14,700 kcal

0.4 st

19,600 kcal

0.5 st

24,500 kcal

0.6 st

29,400 kcal

0.7 st

34,300 kcal

0.8 st

39,200 kcal

0.9 st

44,100 kcal

1 st

49,000 kcal

References

National Institute of Standards and Technology, Handbook 44 - 2012 - Appendix B, https://www.nist.gov/system/files/documents/2017/04/28/AppB-12-hb44-final.pdf
Brazier, Yvette, How many calories do you need?, Medical News Today, https://www.medicalnewstoday.com/articles/263028
Guth, E., Healthy Weight Loss, JAMA, 2014, 312(9), 974. https://jamanetwork.com/journals/jama/fullarticle/1900513