How to convert stones to kilograms
One stone equals 6.350293 kilograms. To convert, multiply the number of stones by 6.350293:
Mental-math shortcut: Multiply stones by 6.35. For stones and pounds, convert the pounds separately (× 0.4536) and add them: 11 st 4 lb = 69.85 + 1.81 = 71.67 kg.
Example
Convert 11 stones to kilograms: 11 st × 6.350293 = 69.8532 kg.
Stones to Kilograms conversion chart
| Stones (st) | Kilograms (kg) |
|---|---|
| 6 | 38.1018 |
| 7 | 44.4521 |
| 8 | 50.8023 |
| 9 | 57.1526 |
| 10 | 63.5029 |
| 10.5 | 66.6781 |
| 11 | 69.8532 |
| 11.5 | 73.0284 |
| 12 | 76.2035 |
| 12.5 | 79.3787 |
| 13 | 82.5538 |
| 14 | 88.9041 |
| 15 | 95.2544 |
| 16 | 101.6 |
| 18 | 114.31 |
| 20 | 127.01 |
What is a stone?
The stone (st) equals 14 pounds, or about 6.35 kilograms. It is still widely used in the United Kingdom and Ireland for body weight — "11 stone 4" means 11 stone and 4 pounds, which is 158 pounds.
What is a kilogram?
The kilogram (kg) is the SI base unit of mass. Since 2019 it has been defined using the Planck constant instead of a metal reference cylinder kept in France. It is the standard unit for body weight in most countries; one kilogram is about 2.2046 pounds.
Converting the other way? Use the Kilograms to Stones converter.
Frequently asked questions
How many kilograms is one stone?
One stone is 6.350293 kilograms.
How do I convert stones to kilograms?
Multiply the value in stones by 6.350293. For example, 11 st × 6.350293 = 69.8532 kg.
What is 10 st in kilograms?
10 st is 63.5029 kilograms.
How do I convert kilograms to stones?
Multiply kilograms by 0.157473 (or divide by 6.350293). You can also use our Kilograms to Stones converter.
Conversions use the internationally agreed definitions of each unit (for example, 1 inch = 2.54 cm exactly) and are rounded for display. Volume converters use US customary units unless stated otherwise.
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