How to convert kilograms to stone
To convert kilograms to stone, multiply by 0.157473044418. Stone is still the everyday unit for body weight in the UK and Ireland, where one stone equals 14 pounds or about 6.35 kg.
Kilogram to Stone conversion table
| Kilogram (kg) | Stone (st) |
|---|---|
| 0.1 kg | 0.0157473044418 st |
| 0.5 kg | 0.0787365222089 st |
| 1 kg | 0.157473044418 st |
| 2 kg | 0.314946088836 st |
| 3 kg | 0.472419133253 st |
| 4 kg | 0.629892177671 st |
| 5 kg | 0.787365222089 st |
| 10 kg | 1.57473044418 st |
| 20 kg | 3.14946088836 st |
| 25 kg | 3.93682611044 st |
| 50 kg | 7.87365222089 st |
| 100 kg | 15.7473044418 st |
| 500 kg | 78.7365222089 st |
| 1,000 kg | 157.473044418 st |
About the units
Kilogram (kg)
The kilogram is the SI base unit of mass, defined through the Planck constant since 2019.
Stone (st)
A stone equals 14 pounds (6.35029318 kg) and is still used in the UK and Ireland for body weight.
How to use this converter
- Type the number of kilograms (kg) in the input box.
- The result in stone appears instantly — no button needed.
- See the same value in every other weight unit just below.
- Use “Swap units” to convert stone back to kilograms.
When you’ll use the kilogram to stone conversion
A British friend says they weigh 11 stone 4 and you think in kilograms. Converting gives about 71.7 kg, which makes the comparison easy.
A UK fitness app shows your progress in stones and pounds, but your scale reads kilograms. Converting keeps your records consistent.
💡 For a quick estimate in your head, multiply by about 0.16 (the exact factor is 0.157473044418).
Watch out for these mix-ups
- Reading 11.4 stone as 11 stone 4 pounds — 0.4 stone is about 5.6 lb.
- Using stone for anything other than body weight in the UK.
- Mixing stones, pounds and kilograms in one log.
- Rounding to whole stones, which hides real progress.
Tips for better results
- Convert the decimal part of stones into pounds by multiplying by 14.
- Track weight in one unit consistently.
- Use kilograms for medical forms even in the UK.
💡 Practical tip: One stone is exactly 14 pounds, so a change of half a stone is 7 pounds, about 3.2 kg.
Frequently asked questions
How many stone are in one kilogram?
One kilogram equals 0.157473044418 stone. 0.157473044418 is the exact factor used by this converter.
How do I convert kilograms to stone?
Multiply the value in kilograms by 0.157473044418. To go the other way, multiply stone by 6.35029318.
What is 10 kg in st?
10 kg = 1.57473044418 st. Also, 5 kg = 0.787365222089 st and 100 kg = 15.7473044418 st.
What is the difference between a kilogram and a stone?
The kilogram is the SI base unit of mass, defined through the Planck constant since 2019. A stone equals 14 pounds (6.35029318 kg) and is still used in the UK and Ireland for body weight.
Is this tool free and private?
Yes — the Kilogram to Stone is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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