Stone to Kilograms

Convert stone (st) to kilograms (kg) instantly — with formula and reference table.

st
kg

Quick answer: 1 st = 6.350293 kg. To convert stone to kilograms, multiply by st × 6.350293.

Converting stone to kilograms

This converter changes a value in stone (st) into kilograms (kg). One stone equals 6.350293 kg. One stone equals 6.35029 kilograms. The stone is used for body weight in the UK and Ireland. The conversion runs entirely in your browser — enter a value and the result updates instantly, in either direction.

Formula

kg = st × 6.350293

Example

Convert 10 st to kg: 10 × 6.350293 = 63.502932 kg.

Stone to Kilograms conversion table

Stone (st)Kilograms (kg)
1 st6.350293 kg
2 st12.700586 kg
3 st19.05088 kg
5 st31.751466 kg
10 st63.502932 kg
20 st127.005864 kg
25 st158.75733 kg
50 st317.514659 kg
100 st635.029318 kg

How to use this converter

  1. Enter a value in the stone (st) field.
  2. Read the converted value in kilograms (kg) below.
  3. Type into the kg field instead to convert in reverse, or use the swap button.

Frequently asked questions

How many kilograms are in a stone?

1 stone equals 6.35029 kilograms.

How do I convert 12 stone to kg?

12 times 6.35029 = 76.2 kg.

How many pounds are in a stone?

1 stone equals 14 pounds.

Last updated: 2026-05-27 Free · No signup · Works offline Suggest an improvement