Kg to Stone Converter
Instantly convert weight between kilograms, stone, and pounds. Perfect for tracking body weight, luggage allowances, and everyday conversions.
Convert Body Weight
Enter your weight and select the unit below to instantly see the equivalent measurement in kilograms, stone and pounds, and pounds alone.
Weight Converter
Get instant conversions between metric and imperial weight.
Understanding Weight Units
Key concepts for converting between systems
The Kilogram
The kilogram is the base metric unit of mass and the standard used worldwide in science, medicine, and most countries’ everyday life.
Stone and Pounds
Stone is a traditional British unit, with 1 stone equal to exactly 14 pounds. Body weight in the UK is often given as a combination, such as “11 stone 4”.
Pounds Alone
The pound (lb) is the primary weight unit in the United States, where body weight is typically expressed in pounds only, without stone.
Rounding for Everyday Use
Stone and pound results are usually rounded to the nearest whole pound in everyday conversation, even though the precise decimal value is slightly different.
Weight Conversion Chart
A quick-reference chart for common body weight values across kilograms, stone and pounds, and pounds alone.
| Kilograms (kg) | Stone & Pounds | Stone (decimal) | Pounds (lbs) |
|---|---|---|---|
| 7 st 1 lb | 7.09 st | 99.2 lb | |
| 7 st 12 lb | 7.87 st | 110.2 lb | |
| 8 st 9 lb | 8.66 st | 121.3 lb | |
| 9 st 6 lb | 9.45 st | 132.3 lb | |
| 10 st 3 lb | 10.24 st | 143.3 lb | |
| 11 st 0 lb | 11.02 st | 154.3 lb | |
| 11 st 11 lb | 11.81 st | 165.3 lb | |
| 12 st 8 lb | 12.60 st | 176.4 lb | |
| 14 st 2 lb | 14.17 st | 198.4 lb | |
| 15 st 10 lb | 15.75 st | 220.5 lb |
Kg to Stone FAQ
Answers to the most frequently asked questions about converting between kilograms, stone, and pounds.
Divide the weight in kilograms by 6.35029 to get the total in stone. For example, 70kg divided by 6.35029 is approximately 11.02 stone, which is usually written as 11 stone 0 pounds. This calculator handles the conversion automatically.
There are exactly 14 pounds in one stone. This is why body weight in the UK and Ireland is commonly expressed as a combination of stone and pounds, such as 11 stone 4 pounds.
Stone has been a traditional British unit of weight for centuries and remains the most common way people in the UK and Ireland describe body weight in everyday conversation, even though kilograms are the official metric unit used in medical and scientific contexts.
Multiply the stone figure by 14 and add any extra pounds to get the total weight in pounds, then multiply that total by 0.453592 to convert to kilograms. For example, 11 stone 4 pounds is 158 pounds, which converts to approximately 71.67kg.
The stone is used almost exclusively in the United Kingdom and Ireland. Most other countries, including the United States, do not use stone at all, relying on pounds or kilograms instead for body weight.