Long ton facts for kids
The long ton is equal to 2,240 pounds (1,016.0469088 kg) or 35 cubic feet (0.99108963072 m3) of salt water with a density of 64 lb/ft3 (1.025 g/ml). It has some limited use in the United States, for measuring the displacement of ships. It the unit recommended for warships by international agreements between the world wars, for example battleships were limited to 35,000 long tons.
Long ton Facts for Kids. Kiddle Encyclopedia.