How to convert kilograms to stone
- Type the value you want to convert.
- The result appears instantly. Use Swap units to reverse the direction.
- Choose other units from the lists if you need a different conversion.
Formula
st = kg × 0.1575 and kg = st × 6.3503.
Examples
65 kg = 10.2357 st. 75 kg = 11.8105 st. 90 kg = 14.1726 st.
Quick reference table
| kg | st |
|---|---|
| 40 kg | 6.2989 st |
| 50 kg | 7.8737 st |
| 60 kg | 9.4484 st |
| 65 kg | 10.2357 st |
| 70 kg | 11.0231 st |
| 75 kg | 11.8105 st |
| 80 kg | 12.5978 st |
| 90 kg | 14.1726 st |
| 100 kg | 15.7473 st |
| 120 kg | 18.8968 st |
And the other way: st to kg
| st | kg |
|---|---|
| 1 st | 6.3503 kg |
| 5 st | 31.7515 kg |
| 10 st | 63.5029 kg |
| 25 st | 158.7573 kg |
| 50 st | 317.5147 kg |
| 100 st | 635.0293 kg |
When you need this conversion
In the UK and Ireland, body weight is still commonly given in stone and pounds (for example 11 st 4 lb). This converter shows the result in decimal stone; multiply the decimal part by 14 to get the extra pounds.
Frequently asked questions
How many st is 1 kg?
1 kg equals 0.1575 st. In the other direction, 1 st equals 6.3503 kg.
How do I turn decimal stone into stone and pounds?
Take the whole number as stone and multiply the decimal part by 14 for pounds. For example, 11.5 st is 11 st 7 lb, because 0.5 × 14 = 7.
What is the formula to convert kilograms to stone?
Multiply the number of kg by 0.1575 to get st. To go back, multiply st by 6.3503.
Is this converter free and private?
Yes. It is free, needs no sign-up and runs in your browser, so the numbers you enter are not sent anywhere.
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Last updated: November 6, 2026