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The short ton (abbreviation tn [1]) is a measurement unit equal to 2,000 pounds (907.18 kg). It is commonly used in the United States , where it is known simply as a ton; [ 1 ] however, the term is ambiguous, the single word " ton " being variously used for short, long , and metric tons.
Harbour ton, used in South Africa in the 20th century, was equivalent to (2,000 pounds (907 kg)) or 1 short ton. Assay ton (abbreviation 'AT') is not a unit of measurement but a standard quantity used in assaying ores of precious metals. A short assay ton is approximately 29.17 g (1.029 oz) and a long assay ton is approximately 32.67 g (1.152 oz).
The tonne (/ t ʌ n / ⓘ or / t ɒ n /; symbol: t) is a unit of mass equal to 1,000 kilograms.It is a non-SI unit accepted for use with SI.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).
The long ton was the unit prescribed for warships by the Washington Naval Treaty of 1922; for example, battleships were limited to a displacement of 35,000 long tons (35,560 t; 39,200 short tons). The long ton is traditionally used as the unit of weight in international contracts for many bulk goods and commodities. [citation needed]
The short ton-force is equal to the weight of one short ton. one short ton-force = 2 000 lbf = 907.184 74 kgf = 8.896 443 230 521 kN: ≈ 0.892 857 long tons-force ...
A semi truck traveling from Los Angeles to Chicago (approximate distance 2,015 miles) carrying 14 short tons of cargo delivers a service of 14 * 2,015 = 28,210 ton-miles of freight (equal to about 41,187 tkm).
Short ton, equivalent to 2,000 pounds, primarily used in the United States; Long ton, equivalent to 2,240 pounds, primarily used in countries such as the United Kingdom which utilize the imperial system; Metric ton, also known as a tonne, equivalent to 1,000 kilograms or 2,204.6 pounds; Tons (band), an American rock band
Introduction was gradual and there was some overlap, and only the heavier-duty models remained, weight ratings being 2 + 1 ⁄ 2 short tons (2,268 kg), 3 + 1 ⁄ 2-short-ton (3,175 kg), and 5-short-ton (4,536 kg) respectively. Solid tires, cast iron wheels, and chain drive remained available.