Kilograms to Stone Converter (kg to st)
Convert kilograms to stone instantly. 1 kg = 0.1575 st. Includes the formula, a full conversion table and a calculator that works offline.
The formula
To convert kilograms to stone, multiply by 0.1575:
st = kg × 0.1575Going the other way, divide instead — or multiply by 6.35, which is the same thing:
kg = st × 6.35Kilograms to Stone conversion table
| Kilograms | Stone |
|---|---|
| 1 kg | 0.1575 st |
| 2 kg | 0.3149 st |
| 3 kg | 0.4724 st |
| 4 kg | 0.6299 st |
| 5 kg | 0.7874 st |
| 6 kg | 0.9448 st |
| 7 kg | 1.102 st |
| 8 kg | 1.26 st |
| 9 kg | 1.417 st |
| 10 kg | 1.575 st |
| 15 kg | 2.362 st |
| 20 kg | 3.149 st |
| 25 kg | 3.937 st |
| 30 kg | 4.724 st |
| 40 kg | 6.299 st |
| 50 kg | 7.874 st |
| 75 kg | 11.81 st |
| 100 kg | 15.747 st |
| 250 kg | 39.368 st |
| 500 kg | 78.737 st |
| 1000 kg | 157.47 st |
Stone to Kilograms
| Stone | Kilograms |
|---|---|
| 1 st | 6.35 kg |
| 2 st | 12.701 kg |
| 3 st | 19.051 kg |
| 4 st | 25.401 kg |
| 5 st | 31.751 kg |
| 6 st | 38.102 kg |
| 7 st | 44.452 kg |
| 8 st | 50.802 kg |
| 9 st | 57.153 kg |
| 10 st | 63.503 kg |
What that actually looks like
A conversion factor is hard to judge on its own. These are quantities most people already have a feel for, converted for you:
- A bag of sugar is 1 kg — 0.1575 st
- Airline cabin baggage is often capped at 7 kg — 1.102 st
- A checked-bag limit is usually 23 kg — 3.622 st
- An average adult is around 70 kg — 11.023 st
Why both units are still in use
Weight is where the two systems collide most awkwardly. Recipes, gym equipment, baggage allowances and medical charts each pick a side, and they do not agree. Airlines are the common trap: an allowance quoted in kilograms at one end of a journey can be quoted in pounds at the other, and the numbers are close enough to look interchangeable while being more than twice apart.
Mistakes worth avoiding
Pounds and ounces have the same trap: 8 pounds 6 ounces is 8.375 pounds, not 8.6, because an ounce is a sixteenth of a pound. And a stone is 14 pounds, so 11 stone 3 is 157 pounds rather than 113.
The other habit worth breaking is rounding too early. Convert first, round once at the end, and you avoid the drift that turns a small approximation into a visible error by the third calculation.
Doing it in your head
When you only need a rough answer, divide by 6.5 — which lands within 2.3 percent of the true value. Ten kilograms works out at roughly 1.538 stone that way, against 1.575 exactly. An estimate is enough for deciding whether something will fit or whether a figure sounds plausible. When the number has to be right — because you are buying, cooking or building to it — use the calculator and let it carry the decimals.
Common questions
How many stone are in one kilogram?
One kilogram equals 0.1575 stone. The calculator above handles any value, including decimals and very large numbers, and updates as you type.
Is this an exact conversion?
The factor is accurate to the precision shown, which is far beyond what any practical measurement requires. The table rounds for readability; the calculator does not.
Does this work offline?
Yes. The conversion runs in your browser with no network request, so it works on a plane, in a basement, or on a phone with no signal once the page has loaded.