Stone to Kg Converter

Convert stone (st) to kilograms (kg) and back using the standard conversion factor of 1 stone = 6.35029 kg. This is useful for body weight, fitness tracking, and UK-style weight references in international reports. For stone to pounds, try our Stone to Lbs Converter.

Conversion formula

Kilograms = Stone × 6.35029. To convert kilograms to stone, divide by the same factor. One stone also equals 14 pounds, which is why stone is commonly used in the UK and Ireland.

Related tools

Explore Lbs to Stone Converter and Weight Converter for more unit options.

Frequently Asked Questions

How many kilograms are in one stone?

One stone equals 6.35029 kilograms.

Can I convert kg to stone?

Yes. Switch the conversion direction in the tool settings.

Is this the same stone used for body weight?

Yes. In everyday UK usage, stone refers to the avoirdupois stone of 14 pounds.

How precise is the result?

You can choose 2, 4, or 6 decimal places in the tool.

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Stone to Kg Converter