How many pounds are in a stone?

Stone or stone weight is a British unit of weight. According to Wikipedia, one stone now equal to fourteen pounds (1 stone = 14pounds) which is about 6350 in grams and 6.35029318 in kilograms.

Stone as a measuring unit was used in boxing, before a match, the weight of the fighters were announced in stones. Many countries, especially those in Northern Europe used many standardised stones to trade.