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A long ton, also called the weight ton (W/T), [1] imperial ton, or displacement ton, is equal to: . 2,240 pounds (1,016.0 kilograms; 1.0160 metric tons) exactly 12% more than the 2,000 pounds of the North American short ton, being 20 long hundredweight (112 lb) rather than 20 short hundredweight (100 lb)
ton: tonne: 2,000 lb 907.18474 kg: cental or hundredweight: quintal: 100 lb 45.359237 kg pound: livre: 0.45359237 kg 453.59237 g: ounce: once: 1 ⁄ 16 lb or 437 + 1 ⁄ 2 grains 28.349523 g dram: drachme: 1 ⁄ 16 oz 1.771845195 g grain: grain: 1 ⁄ 7,000 lb 64.79891 mg: precious metals: troy ounce: once troy: 480 grains 31.1034768 g precious ...
The long or imperial hundredweight of 8 stone or 112 pounds (50.80 kg) is defined in the British imperial system. [ 2 ] Under both conventions, there are 20 hundredweight in a ton , producing a " short ton " of 2,000 pounds (907.2 kg) and a " long ton " of 2,240 pounds (1,016 kg).
Ton is any of several units of measure of mass, volume or force. It has a long history and has acquired several meanings and uses. As a unit of mass, ton can mean: the long ton, which is 2,240 pounds (1,016.0 kilograms) the tonne, also called the metric ton, which is 1,000 kilograms (about 2,204.6 pounds) or 1 megagram.
It is also referred to as a metric ton in the United States to distinguish it from the non-metric units of the short ton (United States customary units) and the long ton (British imperial units). It is equivalent to approximately 2,204.6 pounds , 1.102 short tons, and 0.984 long tons.
The metric ton is the name used for the tonne (1000 kg, 2 204.622 62 lb), which is about 1.6% less than the long ton. The US customary system also includes the kip , equivalent to 1,000 pounds of force, which is also occasionally used as a unit of weight of 1,000 pounds (usually in engineering contexts).
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At that time a "tun" was a wine container of 252 wine gallons, approx 210 imp gal (955 L) weighing about 2,240 lb (1,020 kg), a weight known today as a long ton or imperial ton. In order to estimate the capacity of a ship in terms of 'tun' for tax purposes, an early formula used in England was: