Kilograms to stones
1 kilogram = 0.157473 stones
Type a value in kilograms (kg) to get stones (st) straight away. A kilogram is smaller than a stone, so the number goes down. Both units belong to weight, measured here against the kilogram.
1 kg = 0.15747304 st
Formula
st = kg × 0.15747304
One kilogram is 0.15747304 stones, so multiply by that factor. You can also divide by 6.35029, the number of kilograms in one stone. Here kg is the value in kilograms and st is the result in stones.
Worked example: 70 kilograms × 0.15747304 = 11.0231 stones.
Kilograms to stones table
| kilograms (kg) | stones (st) |
|---|---|
| 1 kg | 0.157473 st |
| 2 kg | 0.314946 st |
| 3 kg | 0.472419 st |
| 4 kg | 0.629892 st |
| 5 kg | 0.787365 st |
| 6 kg | 0.944838 st |
| 7 kg | 1.10231 st |
| 8 kg | 1.25978 st |
| 9 kg | 1.41726 st |
| 10 kg | 1.57473 st |
| 15 kg | 2.3621 st |
| 20 kg | 3.14946 st |
| 25 kg | 3.93683 st |
| 30 kg | 4.72419 st |
| 40 kg | 6.29892 st |
| 50 kg | 7.87365 st |
| 60 kg | 9.44838 st |
| 75 kg | 11.8105 st |
| 100 kg | 15.7473 st |
Everyday kilograms in stones
| What it is | kg | st |
|---|---|---|
| a bag of sugar | 1 kg | 0.157473 st |
| a bag of atta | 5 kg | 0.787365 st |
| a common checked-bag limit | 23 kg | 3.62188 st |
| an adult body weight | 70 kg | 11.0231 st |
| a heavy adult | 100 kg | 15.7473 st |
Quick estimate in your head
Multiply by about 0.16. For 70 kg that gives 11.2 st against an exact 11.0231 st, an error of 1.6%.
Watch out for
- Body weight in stones is often written as stones and pounds, e.g. 11 st 4 lb, not as a decimal.
About the units
Kilogram (kg). The SI base unit of mass, defined through the Planck constant since 2019.
Stone (st). 14 pounds, about 6.35 kg. Still used for body weight in the UK and Ireland.
Going the other way, 1 stone is 6.35029 kilograms.
Questions
How many stones are in 1 kilogram?
1 kilogram is 0.157473 stones, and 1 stone is 6.35029 kilograms.
How do I convert kilograms to stones?
Use st = kg × 0.15747304. For example, 70 kilograms × 0.15747304 = 11.0231 stones.
Is the kilogram to stone factor exact?
Yes, the definitions are exact, so the factor is exact. Results here are rounded to 6 significant digits for display.
How much is a heavy adult in stones?
100 kg is 15.7473 st.
Source for the conversion factor: NIST SP 811, Appendix B (conversion factors).
Related conversions
- stones to kilograms
- kilograms to pounds
- kilograms to grams
- stones to pounds
- pounds to stones
- kilograms to tonnes