KG to Stone Converter
Mostly used to convert body weight for people in the UK and Ireland.
1 kg = 0.1575 st
stone
1 kg = 0.1575 st
How to convert kilograms to stone
Divide the number of kilograms by 6.35029318.
Formula
st = kg ÷ 6.35029318
For a quick estimate, multiply by about 0.157473.
Examples
- 60 kg ÷ 6.35029318 = 9.4484 st
- 80 kg ÷ 6.35029318 = 12.5978 st
- 100 kg ÷ 6.35029318 = 15.7473 st
Kilograms to stone conversion table
| Kilograms (kg) | Stone (st) |
|---|---|
| 40 | 6.2989 |
| 45 | 7.0863 |
| 50 | 7.8737 |
| 55 | 8.661 |
| 60 | 9.4484 |
| 65 | 10.2357 |
| 70 | 11.0231 |
| 75 | 11.8105 |
| 80 | 12.5978 |
| 85 | 13.3852 |
| 90 | 14.1726 |
| 95 | 14.9599 |
| 100 | 15.7473 |
| 110 | 17.322 |
| 120 | 18.8968 |
| 150 | 23.621 |
Values rounded to 4 decimal places or 4 significant digits.
About kilograms
The kilogram is the SI base unit of mass. Since 2019 it has been defined by a fixed value of the Planck constant, replacing the metal prototype cylinder kept near Paris since 1889.
About stone
The stone equals 14 pounds, about 6.35 kilograms. It is used mainly in the UK and Ireland for body weight, usually combined with pounds, as in "11 st 6 lb".
Frequently asked questions
How many stone are in one kilogram?
One kilogram equals 0.1575 stone (rounded).
How do I convert kilograms to stone?
Divide the number of kilograms by 6.35029318. For example: 80 kg ÷ 6.35029318 = 12.5978 st.
How many kilograms are in one stone?
One stone equals 6.3503 kilograms.
Is the kg to st conversion exact?
Yes. The factor follows directly from the official definitions of both units, so the only rounding is in how many decimals are displayed.
How do I show kilograms as stone and pounds?
Convert to stone, keep the whole number, and multiply the decimal part by 14 for pounds. For example, 80 kg = 12.598 st, which is 12 st and 0.598 × 14 ≈ 8.4 lb.