Stones and Pounds to Kg Converter
Enter stones and pounds to convert to kilograms.
Result
How to use
- Enter your values in the fields above.
- Press Calculate to see your result instantly.
- Use the Share button to copy a link to your result.
About this calculator
The stone is a British imperial unit still used for reporting body weight in the UK and Ireland, defined as exactly 14 pounds. Converting to metric first combines stones and pounds into a single pound figure (stones × 14 + pounds), then applies the standard 1 lb = 0.45359237 kg conversion factor to get kilograms.
This conversion comes up constantly for anyone reading a UK weight — a doctor's scale reading “11 st 4 lb,” a boxing or wrestling weight class, or a British news article — who needs the equivalent in kilograms for medical charts, international sports federations, or everyday comparison with the metric system used almost everywhere else.
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