Quick Answer
1 kilogram (kg) = 0.157473 stones (st), and 1 stone = 6.3503 kilograms. Stones is the larger unit, so the same physical amount needs a bigger number when measured in kilograms. Convert either way with the live tool below or the dedicated converter pages.
Key Facts
- 1 kilogram (kg) = 0.157473 st
- 1 stone (st) = 6.3503 kg
- Conversion is exact multiplication - no rounding in the factor
- Table below covers common values in both directions
- Dedicated converters: kg→st and st→kg pages with live tools
Frequently Asked Questions
Which is bigger, a kilogram or a stone?
One kilogram equals 0.157473 st, and one stone equals 6.3503 kg. The unit with the larger factor is the physically bigger one.
How do I convert kilograms to stones?
Multiply by the factor: value in st = value in kg × 0.157473. Example: 5 kg = 0.787365 st. Reverse: divide by 0.157473 (or multiply by 6.3503).
Why are kilograms and stones different?
They are two different units measuring the same physical quantity. A kilogram is defined as exactly 0.157473 st, and a stone as exactly 6.3503 kg. Because the units differ in size, the number you write down for the same amount depends on which unit you use - the conversion factor itself is exact, with no rounding.
Is there a quick way to convert without a calculator?
Memorize the 1-to factor: 1 kilogram ≈ 0.157473 st. Then multiply. For 2 kg that's ≈ 0.314946 st.