How do you convert kilograms (kg) to stones (st) and pounds (lb)?
Divide kilograms by 6.35029318, the number of kilograms in a stone (14 pounds), to get stones – or multiply by 0.15747, which is the same thing.
Multiply kilograms by 2.20462 to get pounds – 70kg is 154.3234 pounds. For a quick estimate double it and add a tenth.
If you want a result that is in stones and pounds then first convert kilograms to stones using the formula in above. Take the whole stones away to use as your stones value and subtract this from the conversion result. Now multiply this remainder by 14 to get the remainder in pounds. It is pretty fiddley to do this but you can use this conversion calculator to do the work for you.
What are kilograms (kg)?
The kilogram (kg) is the SI unit of mass and is 1,000 grams. Strictly it measures mass rather than weight, though in day to day use the two get treated as one.
The kilogram is often used in physics and engineering as well generally in all walks of life in countries that have adopted the metric system.
For more information, please visit our Kilograms page.
What are stones (st)?
A stone (st) is 14 pounds, about 6.35 kilograms. It is used in the United Kingdom and Ireland for body weight, so someone who weighs 10 stone is about 63.5kg.
For more information, please visit our Stones page.
What are pounds (lb)?
Pound (lb) is an imperial weight unit primarily used in the United States but also common in the United Kingdom and Ireland. One pound is approximately 0.4536 kg.
Pounds are most commonly used in the United States whereas kilogram is the common weight unit in most other countries. When pounds are referenced, it normally refers to avoirdupois pounds. There is another measurement called Troy pounds which are used for precious metals.
For more information, please visit our Pounds page.