Direct conversion
Convert stone [st] to kilogram [kg] instantly with formula, examples, chart, and FAQs.
1 stone [st] = 6.350293 kilogram [kg]
1 stone [st] = 6.350293 kilogram [kg]
Example: 1 stone [st] equals 6.350293 kilogram [kg].
Weight and mass conversions use kilogram as the reference unit. Common factors include 1 pound = 0.45359237 kilogram and 1 ounce = 0.028349523125 kilogram.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
The stone is an imperial mass unit equal to 14 pounds.
HistoryStone weights were historically used for trade and became standardized in the imperial system.
Current useStones are mainly used for body weight in the United Kingdom and Ireland.
The kilogram is the SI base unit of mass and is the reference unit for the weight and mass converter.
HistoryThe kilogram was historically tied to a physical prototype and is now defined using the Planck constant.
Current useKilograms are used for body weight, groceries, shipping, science, medicine, fitness, and commercial weighing.
| stone [st] | kilogram [kg] |
|---|---|
| 1 | 6.350293 |
| 2 | 12.700586 |
| 5 | 31.751466 |
| 10 | 63.502932 |
| 20 | 127.005864 |
| 25 | 158.75733 |
| 50 | 317.514659 |
| 100 | 635.029318 |
| 1000 | 6350.29318 |
Use this formula: 1 stone [st] = 6.350293 kilogram [kg] Enter your value in the calculator and the result updates instantly.
1 stone [st] equals 6.350293 kilogram [kg].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.