1 Stone = 6.35029318 Kilograms
There are 6.35029318 kilograms in a stone, because by definition one stone equals to 14 pounds and one kilogram is 2.20462 pounds, that makes 14 / 2.20462 = 6.35 kilograms in a stone.
For example, to find out how many kilograms there are in a stone and a half, multiply the stone value by the conversion factor, that makes 1.5 st * 6.35029318 = 9.52544 kilograms in 1.5 stones.
Stone is an old unit of mass and still in use in UK and Ireland to measure body weight. A stone equals to 6.35 kilograms, 14 pounds and 224 ounces. The abbreviation is "st".
Kilogram is a base unit of mass in metric system and equals to the mass of one liter of water. It equals to 2.20462262 pounds. The abbreviation is "kg".