United Kingdom To comply with the practices of the European Union, the British Imperial ton was explicitly excluded from use for trade by the United Kingdom's
Weights and Measures Act of 1985. The measure used since then is the tonne, equal to 1,000 kilograms. If still used for measurement, then the word "ton" is taken to refer to an imperial or long ton.
United States In the United States, the long ton is commonly used in measuring the
displacement of
ships and the shipping of
baled commodities and bulk goods like
iron ore and elemental
sulfur.
International 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 . The long ton is traditionally used as the unit of weight in international contracts for many bulk goods and commodities. ==See also==