Stones to Kilograms Converter
Convert stones to kilograms instantly. Exact factor: 1 st = 6.35 kg.
Free toolNo signupFormula shown
Convert stones to kilograms
The exact conversion factor is 1 st = 6.35 kg. Type any value and the result updates instantly; the math is shown beneath the board.
Worked by hand
Multiply the stones value by 6.35 to get kilograms.
Worked example
- Take 1 st
- multiply by 6.35
- the result is 6.35 kg
How to use it
- Enter your stones
- Read the kilograms result
- Check the factor line to verify by hand
Frequently asked questions
How many kilograms are in one stones?
Exactly 6.35 kg, by the SI/NIST definition.
How do I convert kilograms back to stones?
Divide by 6.35 — or use the full converter where both directions are one click.
Is this rounding or exact?
The factor is exact; only the displayed decimals are rounded.