Unit converter — Mass
Kilograms to stones converter
Convert kilograms (kg) to stones (st). Source-cited conversion factor, exact to the displayed precision.
Results are mathematically exact for the displayed precision. How we calculate.
Convert kilograms to stones— the formula
Kilograms convert to stones by multiplying by the published conversion factor. The factor below is exact to the precision shown, sourced from the citation under the formula.
st = kg × 0.157473
kg = st × 6.3503
Mass: SI base unit (BIPM). Avoirdupois conversions: 1 lb = 0.45359237 kg (international agreement 1959); 1 oz = 1/16 lb; 1 stone = 14 lb.
Frequently asked questions
How many stones are in a kilogram?
1 kg = 0.157473 st. To convert any amount, multiply by 0.157473.How do you convert kilograms to stones?
Multiply the number of kilograms by 0.157473 to get stones. The formula is shown in the "How it's calculated" section above.Where does the conversion factor come from?
It's a published international standard. Most are defined exactly by international agreement (e.g. 1 inch = 25.4 mm exactly, 1 lb = 0.45359237 kg exactly). Source citations are listed under the formula above.