Kilograms to Stone
Convert kilogram to stone instantly — type a value and read the result, with the exact formula shown.
Example
1 kg = 0.157473 st, 5 kg = 0.7873652 st, 10 kg = 1.57473 st.
How it works
Stone = Kilogram × 0.157473. Every value is converted through a single kilogram base unit using internationally defined conversion factors, so any from/to pair stays consistent.
Good to know
Converting kilograms to stone is something people in the UK and Ireland do constantly, because while bathroom scales, hospital charts, and fitness apps increasingly report in kilograms, everyday conversation still measures body weight in stone and pounds. If a chart says you weigh 76 kg, that figure means little socially until you translate it to roughly 12 stone — which is exactly where this conversion earns its keep.
The two units sit on opposite sides of the measurement divide. The kilogram is the base unit of mass in the metric (SI) system, defined since 2019 by fixing the Planck constant. The stone is a much older British imperial unit, standardised in 1835 at 14 pounds; one stone equals 6.350293 kg, so a single kilogram is just 0.157473 stone. The stone has largely vanished from official and scientific use but survives stubbornly for human body weight across Britain and Ireland.
A handy rule of thumb: to get stones, divide kilograms by about 6.35, or for quick mental maths, halve the kilograms and then knock off a bit more than a third — 70 kg lands near 11 stone. Even simpler, every 6.35 kg you gain or lose is one whole stone, which is why a "stone lighter" diet goal really means shedding about 6.4 kg.
The most common mistake is forgetting that stone is rarely written as a plain decimal. A result of 11.81 stone does not mean "11 stone 8 pounds" — the decimal part is fractions of a stone, so 0.81 stone is 0.81 × 14 = about 11.3 pounds, giving 11 st 11 lb. Treating the digits after the decimal as pounds is the classic error, and it can throw a reading off by several real pounds.
Frequently asked questions
How do you convert kilogram to stone?
Multiply the number of kilograms by 0.157473 to get stones. For example, 1 kg = 0.157473 st.
What is 1 kilogram in stones?
1 kilogram equals 0.157473 stones (1 kg = 0.157473 st).
How many kilograms are in 1 stone?
There are 6.350293 kilograms in 1 stone.
Is this converter free and private?
Yes. It runs entirely in your browser, so your inputs never leave your device, there is no sign-up, and it works offline once loaded.
Are the conversions exact?
Conversions use internationally defined factors and are exact where the definitions are exact (for example, 1 inch = 2.54 cm). Displayed results are rounded for readability.
People also ask
How many stone is 70 kg?
70 kg is about 11.02 stone (70 × 0.157473). In stone-and-pounds that is roughly 11 stone 0.3 pounds, so essentially 11 stone.
What is 80 kg in stone and pounds?
80 kg equals about 12.60 stone. Since 0.60 of a stone is 0.60 × 14 ≈ 8.4 pounds, that works out to roughly 12 stone 8 pounds.
Is 60 kg a healthy weight in stone?
60 kg is about 9.45 stone (around 9 stone 6 pounds). Whether it is healthy depends on height — for an adult of average height it often falls within a normal BMI range, but BMI should be checked against your own height.
How do I convert kg to stone in my head?
Divide the kilogram figure by about 6.35, or as a rough shortcut take a little under one-sixth of the number. For example, 90 kg ÷ 6.35 ≈ 14.2 stone.
Why does the UK still use stone for weight?
The stone remains the everyday unit for body weight in Britain and Ireland by custom, even though the UK officially uses the metric system. Scales, doctors, and apps often show kilograms, but people still talk in stone.
How many kg is 12 stone?
12 stone equals about 76.2 kg (12 × 6.350293). One stone is 6.350293 kg.
What is 100 kg in stone?
100 kg is about 15.75 stone, or roughly 15 stone 10.5 pounds. You get this by multiplying 100 by 0.157473.
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