In 1 kilograms there are 0.157473 stones. Meanwhile in 1 stones there are 6.350293 kilograms. Keep reading to learn more about each unit of measure and how they are calculated. Or just use the Stones to Kilograms calculator above to convert any number.
* Values rounded to 6 decimal places for readability
To convert kilograms (kg) to stones (st), use a simple formula based on the standard stone weight. 1 stone = 6.35029318 kilograms.
Example:
Tip for stones and pounds:
To convert kilograms (kg) to stones (st), divide the kilograms by 6.35029318.
Formula:
stones = kilograms ÷ 6.35029318
Example:
70 kg ÷ 6.35029318 = 11.023 st (about 11.02 st)
1 stone equals 6.35029318 kilograms.
That means 1 kilogram equals 0.157473044 stones.
Many people round this in quick estimates, but the values above are the standard ones.
1 kilogram is 0.15747 stones (rounded to 5 decimal places).
If you want a rough mental check, 6.35 kg is about 1 stone.
1 stone is 6.35029318 kg.
This is the fixed value used for weight conversions between stones and kilograms.
Stones are commonly used to talk about body weight in the UK and Ireland. Kilograms are used in most other countries and in many health and science settings.
Both are valid; they just match different habits and standards.
No. A stone and a pound are different units.
Stones are larger units, so the number looks smaller than pounds for the same weight.
First, convert kilograms to total stones. Then split the decimal part into pounds.
Steps:
Example (70 kg):
A simple estimate is:
This is close for everyday use. For medical records or formal logs, use the full conversion factor.
Here are common conversions (rounded to 2 decimals):
Rounding depends on how you plan to use the number.
Some clinics record weight in kilograms, others also show stones and pounds for comfort and habit. If you track weight over time, stick to one unit so comparisons stay clear.
Stones are mostly used for body weight. For objects and shipping, kilograms and pounds are more common. The math still works the same for any weight.
"st" is the abbreviation for stone.
You may also see "stone" written out, especially in text and labels.
Small differences usually come from rounding.
Some tools use:
Using 6.35029318 kg per stone gives the standard conversion.
The Calculate Box tool to convert kilograms to stones uses the open source script Convert.js to convert units of measurement. To use this tool, simply type a kilograms value in the box and have it instantly converted to stones.