Stone to KG converter

How to convert stone to kilograms

To convert stone to kilograms, use kg = st × 6.35029. For example, 16 st is 101.605 kg. Type any value in the converter above and the result updates instantly.

The Stone to KG formula

The conversion is kg = st × 6.35029. One stone equals 6.35029 kg. This conversion is exact: stone is defined precisely in terms of kilogram, so the only rounding is in the digits shown.

Stone to KG conversion table

Where stone and kilograms are used

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

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

Worked examples

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

• 5 st = 31.7515 kg
• 10 st = 63.5029 kg
• 14 st = 88.9041 kg

Converting stone to kilograms in your head

As a quick estimate, multiply by 6.4 (rounded).

KG to Stone reference table

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

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 KG to Stone converter.