kilograms to stone Converter

Type a value in kilograms and get the answer in stone instantly — or convert the other way. The conversion uses the exact relationship 1 kilograms = 0.157473 stone, the same formula used in textbooks and engineering references.

Reading a UK gym programme or a British boxing weigh-in with metric numbers? Kilograms convert to stone by dividing by 6.35029318 — the unit Brits use for body weight in everyday speech.

–

How to use

  1. Type your value into the kilograms box — the stone result updates as you type.
  2. To go the other direction, type into the stone box instead and read the kilograms result.
  3. Copy the result with one tap, or scan the reference table below for common values.
Quick reference — Handy anchors: 50 kg = 7.87 st, 70 kg = 11.02 st, 90 kg = 14.17 st, 100 kg = 15.75 st.

Frequently asked questions

How do you convert kilograms to stone?

Multiply the number of kilograms by 0.157473. For example, 10 kilograms = 1.57473 stone. The converter above does this for you and shows more decimal places than you will ever need.

How many stone are in one kilograms?

Exactly 0.157473 stone. This is a fixed definition, not an approximation, so the conversion is exact at any scale.

Is this converter accurate for professional use?

Yes — it uses full double-precision arithmetic and the official kilograms-to-stone factor, so results are reliable for schoolwork, cooking, fitness, travel and technical work.

Can I convert stone back to kilograms?

Yes. The converter is two-way: just type in the second box and the first box updates instantly with the reverse conversion.

Related tools