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Convert Stone (US) to Ton (metric)

Please provide values below to convert stone (US) to ton (metric) [t], or vice versa.



Definition: A stone (symbol: st) is an English and imperial unit of mass. It is defined as 14 pounds or 6.35029318 kilograms.

History/origin: The name "stone" is derived from the use of stones as weights since antiquity. Standardized stones were historically used for trade in England as well as some countries in northern Europe. In England, the stone had multiple definitions throughout history, based on the commodity and on local standards. In 1350, the stone was standardized to be used for wool at a weight of 14 pounds, and in 1835, the United Kingdom adopted this definition for use in the imperial system.

Current use: The stone as a unit of mass is used mostly in the United Kingdom for measuring body weight. Most other countries measure body weight in kilograms, and in some cases, in pounds.


Definition: A ton is a unit of weight and mass. In the United States and Canada, the ton, also known as the short ton, is defined as 2,000 pounds, or 908 kilograms. In the United Kingdom, the ton, sometimes referred to as the long ton, is defined as 2,240 avoirdupois pounds, or 1,016 kg. The tonne, defined in the International System of Units (SI) and also known as the metric ton is defined as 2,204.623 pounds, or 1,000 kilograms.

History/origin: The term "ton" is derived from the "tun," a term that was applied to a large cask that could contain between 175 to 213 imperial gallons, could weigh around 2,000 pounds, and could occupy approximately 60 cubic feet, or 1.7 m3 of space. Although various definitions of the ton are still used in certain countries, the metric ton, or tonne, is the preferred definition of the ton.

Current use: The long ton is used in the United Kingdom along with other countries that still use the imperial system, the short ton is used mainly in the United States, and the tonne is used worldwide. Although both the UK, the US, and some other countries still use other definitions of the ton, the tonne is the legally designated form of the ton for use in trade.

Stone (US) to Ton (metric) Conversion Table

Stone (US)Ton (metric) [t]
0.01 stone (US)5.6699E-5 t
0.1 stone (US)0.0005669905 t
1 stone (US)0.0056699046 t
2 stone (US)0.0113398093 t
3 stone (US)0.0170097139 t
5 stone (US)0.0283495231 t
10 stone (US)0.0566990463 t
20 stone (US)0.1133980925 t
50 stone (US)0.2834952313 t
100 stone (US)0.5669904625 t
1000 stone (US)5.669904625 t

How to Convert Stone (US) to Ton (metric)

1 stone (US) = 0.0056699046 t
1 t = 176.3698097479 stone (US)

Example: convert 15 stone (US) to t:
15 stone (US) = 15 × 0.0056699046 t = 0.0850485694 t

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