Table of Contents
Welcome to stone to kg, our article about the stones to kilograms conversion.
For the imperial and English unit of mass stone we use the abbreviation st, and for the metric unit of mass kilogram we use the symbol kg.
So, if you have been looking for st to kg or how many kg in a stone, then you have come to the right page, too. 🙂
Note that the plural of stone is either stones or stone – without the trailing “s”.
Read on to learn everything about stones to kilos.
How many Kg in a Stone?
We consider that a stone equals 14 pounds known as international avoirdupois pound, defined as 0.45359237 kg.
Thus, the formula is:
Insert 1 in the [st] field of our formula above, and it follows that the answer to the question how much is a stone in kg is 6.35029318 kilograms.
Similarly, replace the stone placeholder with 3.5 if you want to change 3 1/2 stones to kilograms.
The result of this example mass conversion will be approximately 22.233 kg.
Now, take a moment to have a look at our search form in the sidebar.
Assumed x stands for your mass in stone, there you might look up x stone into kg for example.
In the following part of our article we are going to have another look at the math, and also discuss stones to kg and grams.
Convert Stones to Kg
To convert the “weight ” to kilograms multiply the mass in stones by 6.35029318, which is equal to 14 international avoirdupois pounds in a stone weight.
In case you want to convert the mass to kg and grams combined, then do the math as explained above, taking into account that one kilogram is thousand grams.
Thus, the integer part of the conversion denotes the kg and the first three decimals of the decimal part of the conversion stand for the grams, as explained in the following example:
4 st = 4 × 6.35029318 kg = 25.40117272 kg = 25 kilograms and 401 grams, approximately. The exact gram part is 401.17272 g.
Frequent conversions on our site include:
We recommend to always use our weight converter at the top of this page.
If something remains unclear leave us a comment using the form at the bottom of this article.
About our Converter
Our calculator at the beginning of this article is straightforward:
Enter the mass using a decimal point for fractions, then our tool does the math for you automatically.
Note that our app works both ways!
If you need the result in kilograms and grams combined, then proceed as explained in our example above.
We would like to suggest to you bookmarking our site or installing it onto your home.
Ahead is the summary of our page.
The following image sums all up:
Observe that our website is also an app; instead of bookmarking us you may simply install our site onto your home screen.
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Here you can convert stone to pounds and vice versa.