KG to Stone converter

Type a value in kilograms and get stone instantly, with the formula and a table of common values below. Free, and it runs in your browser.

  • Free
  • No sign-up
  • Runs in your browser
kg-to-stone

Fill in the values above to see the result.

100% private — the calculation is done in your browser and nothing is sent to any server.

How it works

Enter the value

Type the number of kilograms you want to convert.

Read the result

The converted value in stone appears as you type, with the formula behind it.

Copy it

Use the copy button, or check the conversion table for common values.

How to convert kilograms to stone

To convert kilograms to stone, use st = kg × 0.157473. For example, 50 kg is 7.87365 st. Type any value in the converter above and the result updates instantly.

The KG to Stone formula

The conversion is st = kg × 0.157473. One kilogram equals 0.157473 st. This conversion is exact: kilogram is defined precisely in terms of stone, so the only rounding is in the digits shown.

KG to Stone conversion table

KG to Stone
Kilograms (kg)Stone (st)
10.157473
20.314946
50.787365
101.57473
203.14946
253.93683
507.87365
609.44838
7011.0231
8012.5978
10015.7473

Where kilograms and stone are used

Kilograms are the base unit of mass in the metric system: body weight, groceries, luggage and parcels.

The stone is a British and Irish unit used mainly for body weight: 1 stone is 14 pounds.

Worked examples

These examples use the formula above, so you can check the converter or do the same by hand:

  • 2 kg = 0.314946 st
  • 10 kg = 1.57473 st
  • 25 kg = 3.93683 st

Converting kilograms to stone in your head

As a quick estimate, multiply by 0.16 (rounded).

Stone to KG reference table

For the opposite direction, these values are handy to have at hand:

Stone to KG
Stone (st)Kilograms (kg)
16.35029
531.7515
850.8023
1063.5029
1276.2035
1488.9041
16101.605
18114.305

Common mistakes to avoid

  • Pounds and kilograms measure mass, but on labels both are treated as weight; the conversion is the same.
  • The ounce here is the avoirdupois ounce (28.35 g). Troy ounces used for gold and silver weigh about 31.1 g.

About this converter

The converter accepts whole numbers, decimals and negative values, gives the result as you type, and uses full precision internally, so what you copy is as accurate as it can be. It runs in your browser: nothing you type is sent to a server, it keeps working offline once the page has loaded, and there is nothing to install.

Need the opposite direction? Use the Stone to KG converter.

Frequently asked questions

How many stone are in one kilogram?
One kilogram is equal to 0.157473 stone. It is an exact conversion.
How do I convert kilograms to stone?
Use st = kg × 0.157473. For example, 50 kg = 7.87365 st.
How many stone is 50 kilograms?
50 kg is 7.87365 st.
What is a quick way to estimate stone in kilograms?
As a quick estimate, multiply by 0.16 (rounded).
Is the KG to Stone conversion exact?
This conversion is exact: kilogram is defined precisely in terms of stone, so the only rounding is in the digits shown.
Is this converter free?
Yes. There is no sign-up and no limit, and it runs in your browser, so nothing you type is sent to a server.
Does it work on a phone?
Yes. It works in any modern mobile browser, and the result updates as you type.