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Stone (unit)

From Simple English Wikipedia, the free encyclopedia

The stone is a unit for measuring mass in the Imperial system. It is equal to fourteen pounds. 160 stone make up a long ton. In the metric system, 1 stone = 6.35029318 kilograms.

The short way of writing stones is st.

UnitsGrainsDrachmsOuncesPoundsStonesQuartersLong HundredweightsLong TonsMetric Values
Stones98,0003,584224141​1⁄2​1⁄8​1⁄1606.35029318 Kilogrammes

The stone was outlawed in Ireland and the United Kingdom, in 1983 and 1985 respectively. However stones and pounds are both commonly used in non-official cases, most commonly when stating the weight of a person. Often in American-British boxing matches, the contenders  weight is stated in pounds then stones and pounds. The same in horse racing.