Stone to Kilograms Converter
Type a value in stone to get it in kilograms, and see the reverse conversion.
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Stone to Kilograms Converter by TheCalcTools
How the Stone to Kilograms Converter works
The stone is still used in the UK and Ireland for body weight. One stone is exactly 14 pounds, and a pound is exactly 0.45359237 kg.
To convert stone to kilograms, multiply by 6.35029318. The calculator shows the result to 6 significant figures; the conversion factor itself is exact (1 stone = 14 lb = 6.35029318 kg).
Quick estimate in your head: multiply by 6.35, or by 6⅓ in your head.
The formula
Worked example
Using the default values shown in the calculator:
| Value in stone (st) | 11 |
|---|
- 11 st × 6.35029318 = 69.8532 kg.
Result:
| Kilograms (kg) | 69.8532 |
|---|---|
| 1 st in kg | 6.35029 |
| Your number read as kg, in st | 1.7322 |
| Pounds (lb) | 154 |
Conversion table
| st | 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 |
| 11 st | 69.8532 kg |
| 12 st | 76.2035 kg |
| 13 st | 82.5538 kg |
| 14 st | 88.9041 kg |
| 15 st | 95.2544 kg |
| 16 st | 101.605 kg |
| 18 st | 114.305 kg |
| 20 st | 127.006 kg |
Frequently asked questions
What is 1 stone in kilograms?
1 stone (st) equals 6.35029 kg.
What is 11 stone in kg?
69.85 kg (154 lb).
Sources and further reading
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This calculator gives estimates for information only. Check important results independently before you rely on them. See our disclaimer.