What is a stone?
A stone is a unit of weight commonly used in the United Kingdom and Ireland. It is equal to 14 pounds or approximately 6.35 kilograms. The stone is often used to measure the weight of a person or animals, as well as for certain goods such as fruit and vegetables. While not an official metric unit, the stone is still widely used in everyday life in these countries.
We provide a calculator on this site to convert stones to kilograms.
What are grains?
Grains are a unit of measurement commonly used in the imperial system to measure the weight of small objects such as bullets, arrows, and jewelry.
One grain is equivalent to approximately 0.0648 grams or 0.0023 ounces and are still used in certain industries where precision is crucial, such as in the production of pharmaceuticals and supplements.