Convert Stone to Kilogram
Live bidirectional calculator for Stone (st) and Kilograms (kg) with verified formula and conversion charts.
Weight & Mass8 units
How the Calculation Works (Linear Scaling)
Since 1 Stone = 6.350293 Kilograms, multiply the value in Stone by 6.350293.
Stone to Kilogram Conversion Table
Precomputed values for quick reference and printing.
| Stone | Kilogram |
|---|---|
| 1 st | 6.3503 kg |
| 2 st | 12.7006 kg |
| 3 st | 19.0509 kg |
| 4 st | 25.4012 kg |
| 5 st | 31.7515 kg |
| 6 st | 38.1018 kg |
| 7 st | 44.4521 kg |
| 8 st | 50.8023 kg |
| 9 st | 57.1526 kg |
| 10 st | 63.5029 kg |
| 15 st | 95.2544 kg |
| 20 st | 127.0059 kg |
| 25 st | 158.7573 kg |
| 30 st | 190.5088 kg |
| 40 st | 254.0117 kg |
| 50 st | 317.5147 kg |
| 75 st | 476.272 kg |
| 100 st | 635.0293 kg |
| Kilogram | Stone |
|---|---|
| 1 kg | 0.1575 st |
| 2 kg | 0.3149 st |
| 3 kg | 0.4724 st |
| 4 kg | 0.6299 st |
| 5 kg | 0.7874 st |
| 6 kg | 0.9448 st |
| 7 kg | 1.1023 st |
| 8 kg | 1.2598 st |
| 9 kg | 1.4173 st |
| 10 kg | 1.5747 st |
| 15 kg | 2.3621 st |
| 20 kg | 3.1495 st |
| 25 kg | 3.9368 st |
| 30 kg | 4.7242 st |
| 40 kg | 6.2989 st |
| 50 kg | 7.8737 st |
| 75 kg | 11.8105 st |
| 100 kg | 15.7473 st |
About Stone (st)
The stone is an imperial unit of mass equal to 14 avoirdupois pounds (6.35029318 kg).
History: Used in the British Isles since at least the 14th century. Still widely used in the UK and Ireland for body weight.
Common Uses: Body weight measurement in the United Kingdom and Ireland.
About Kilogram (kg)
The kilogram is the SI base unit of mass, defined by fixing the Planck constant at exactly 6.62607015 ร 10โปยณโด Jยทs.
History: Originally defined in 1795 as the mass of one liter of water. Redefined in 2019 via the Planck constant, replacing the International Prototype Kilogram.
Common Uses: Body weight, groceries, cooking, industrial manufacturing, and scientific measurement.
โ Frequently Asked Questions
How many Kilograms are in 1 Stone?
There are exactly 6.350293 Kilograms in 1 Stone (1 st = 6.350293 kg).
What is the formula to convert Stone to Kilogram?
The formula is: Kilogram = Stone ร 6.350293. Since 1 Stone = 6.350293 Kilograms, multiply the value in Stone by 6.350293.
How do I convert 1 st to kg manually?
To convert 1 st to kg: apply the formula Kilogram = Stone ร 6.350293. Substituting gives: 1 ร 6.350293 = 6.3503 kg.