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The pound or pound-mass is a unit of mass used in both the British imperial and United States customary systems of measurement. Various definitions have been used; the most common today is the international avoirdupois pound, which is legally defined as exactly 0.45359237 kilograms, and which is divided into 16 avoirdupois ounces. The international standard symbol for the avoirdupois pound is lb; an alternative symbol is lbm, #, and ℔ or ″̶.
The long ton, also known as the imperial ton or displacement ton, is a measurement unit equal to 2,240 pounds (1,016.047 kg). It is the name for the unit called the "ton" in the avoirdupois system of weights or Imperial system of measurements. It was standardised in the 13th century. It is used in the United Kingdom and several other Commonwealth of Nations countries alongside the mass-based tonne defined in 1799, as well as in the United States for bulk commodities.
A number of different units of measurement have been used in Ethiopia. The values of most of these units are not well defined. In 1963, Ethiopia adopted the metric system.
This is a list of Algerian units of measurement that were used before 1843 for things like length, mass and capacity. After that, Algeria adopted the French system of units.
A number of different units of measurement were used in Argentina as its national system was derived from Spanish Castillian. The metric system was legally optional since 1863 and has been compulsory since 1887.
A number of different units of measurement were used in Bolivia to measure, for example, mass. Older system was basically derived from Spain. In Bolivia, International Metric system was legally optional since 1871, and International Metric system has been compulsory since 1893 even though, even in 1890s also, metric system was recognised at the custom-houses and other units which were of Spanish origin was also used.
A number of different units of measurement were used in Sri Lanka to measure quantities like length, mass and capacity from very ancient times. Under the British Empire, imperial units became the official units of measurement and remained so until Sri Lanka adopted the metric system in the 1970s.
A number of different units of measurement were used in Chile to measure quantities like length, mass, area, capacity, etc. From 1848, the metric system has been compulsory in Chile.
A number of units of measurement were used in Costa Rica to measure measurements in length, mass, area, capacity, etc. In Costa Rica, metric system has been adopted since 1910, and has been compulsory since 1912, by a joint convention among Costa Rica, Guatemala, Honduras, Nicaragua and Salvador.
A number of units of measurement were used in Honduras for length, mass, volume etc. In Honduras, the metric system was adopted in 1910, and has been compulsory since 1912, under a joint convention between Costa Rica, Guatemala, Honduras, Nicaragua and El Salvador.
A number of units of measurement were used in Egypt to measure length, mass, area, capacity, etc. In Egypt, the metric system was made optional in 1873 and has been compulsory in government use since 1891.
A number of units of measurement were used in Eritrea to measure length, mass, capacity, etc.
Traditional Greek units of measurement were standardized and used in modern Greece before and alongside the adoption of the metric system in 1836. Metric units were finally made legally compulsory in 1922.
A number of units of measurement were used in Indonesia to measure length, mass, capacity, etc. Metric system adopted in 1923 and has been compulsory in Indonesia since 1938.
A number of units of measurement were used in Mexico to measure length, mass, area, capacity, etc. The Metric system was optional from 1857, and has been compulsory since 1896.
A number of units of measurement were used in Peru to measure length, mass, area, etc. The Metric system adopted in 1862 and has been compulsory since 1869 in Peru.
A number of units of measurement were used in Switzerland to measure length, mass, etc. Metric system was optional in 1868, and has been compulsory since 1877.
A number of different units of measurement were used in Libya to measure length, mass, area, etc. The metric system was adopted in Libya in 1927.
A number of different units of measurement were used in Tunisia to measure length, mass, capacity, etc. In Tunisia, Metric System has been compulsory since 1895.
A number of units of measurement were used in Venezuela to measure quantities like length, mass, etc. Metric system was optional in Venezuela since 1857, and has been compulsory since 1914.