The short answer
- 1 kg ≈ 0.157473 st
- 1 st ≈ 6.350293 kg
Worked example70 kg × 0.1574730444 = 11.02311 st
To convert kilograms to stone, multiply the number of kilograms by 0.1574730444.
Kilogram. The kilogram is the SI base unit of mass, defined since 2019 through the Planck constant.
Stone. The stone is 14 pounds, exactly 6.35029318 kilograms. It is still used for body weight in the UK and Ireland.
| Kilograms (kg) | Stone (st) |
|---|---|
| 40 | 6.298922 |
| 45 | 7.086287 |
| 50 | 7.873652 |
| 55 | 8.661017 |
| 60 | 9.448383 |
| 65 | 10.23575 |
| 70 | 11.02311 |
| 75 | 11.81048 |
| 80 | 12.59784 |
| 85 | 13.38521 |
| 90 | 14.17257 |
| 95 | 14.95994 |
| 100 | 15.7473 |
| 110 | 17.32203 |
| 120 | 18.89677 |
| 130 | 20.4715 |
| 150 | 23.62096 |
Values are rounded to 7 significant figures.
Multiply the number of kilograms by 0.1574730444. For example, 70 kg × 0.1574730444 = 11.02311 st.
One kilogram is about 0.157473 stone.
Yes. Both units have exact legal definitions, so the factor is exact. Values on this page are rounded to 7 significant figures.