Stone (st)
The stone is used in the United Kingdom and Ireland mainly for human body weight.
History: the stone was an English trade weight with varying values, but body weight usage settled on 14 pounds.
Quickly convert stones to kilograms without lookup tables or manual math.
This page is focused on converting stones to kilograms. Type a number into the first field and the result appears immediately in the second field.
Example: 1 st = 6.35029318 kg. Conversion formula: result = value × 6.35029318 / 1.
Use this converter for everyday calculations, study notes, engineering checks, and quick value verification without installing a separate app.
The stone is used in the United Kingdom and Ireland mainly for human body weight.
History: the stone was an English trade weight with varying values, but body weight usage settled on 14 pounds.
The kilogram is the SI base unit of mass and the main mass measure in everyday life, trade, and science.
History: since 2019, the kilogram has been defined through the Planck constant rather than a physical artifact.
Enter a value in the Stone field. The converter applies the formula "result = value × 6.35029318 / 1" and immediately shows the result in kilograms.
1 st = 6.35029318 kg.
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