Stone to Kilograms Converter
Convert stone to kilograms accurately. Enter decimal stone (e.g. 9.5) or split your weight into stones and pounds — the calculator outputs kilograms. 1 stone = 6.35029318 kg.
One stone is exactly 6.35029318 kilograms (14 pounds). To convert stone to kilograms, multiply by 6.35029318. If you have extra pounds, multiply them by 0.45359237 and add them to the total.
How to convert stone to kilograms
Stone to kilograms conversion table
Frequently asked questions
How do I convert stone to kilograms?
Multiply the number of stone by 6.35029318. If you also have extra pounds, multiply the pounds by 0.45359237 and add it on. For example, 10 stone = 63.50 kg, and 10 stone 4 lb = 65.32 kg.
How many kilograms is 1 stone?
One stone is exactly 6.35029318 kilograms, which is also 14 pounds. The stone is the standard body-weight unit in the UK and Ireland.
Can I enter decimal stone, like 9.5 stone?
Yes. Enter 9.5 in the stone field and leave pounds blank — the calculator treats it as 9.5 × 6.35029318 = 60.33 kg. You can also split it as 9 stone 7 lb for the same result.
How do I convert stone and pounds together?
Enter the stones in the stone field and the extra pounds in the pounds field. The calculator adds (stones × 6.35029318) + (pounds × 0.45359237) to give the total kilograms.
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