Arroba
The arroba , or arobe ( arroba in Spanish) is an old measuring unit of Masse and Volume always used in Spain, with the Portugal, and in certain countries of Latin America. Its symbol is the @ .
Unit of mass
The term arroba comes from the Mozarabe arrúbʿ , coming itself from the classical Arabic rear-rubʿ (rear RTL الربع), meaning “the quarter”. The arroba is indeed usually defined like the quarter of a quintal, that is to say 25 delivers S (11,5023 kg). It should be noted that this value is not uniform in all the zones or the arroba is used and can be worth between 11,5 and 15 kg. Thus, in Aragon, the arroba is equivalent to 36 books (12,5 kilos), and in Brazil, where it is used to weigh the cattle, approximately 15 kg.In Spain, the arroba officially fell in disuse since the law of the July 19th 1849 made compulsory the use of the metric system in all the commercial transactions. However, it remains still used traditionally by the farmers. Thus, in the autonomous Community of Valence, one arroba of approximately 13 kg is used for to measure the mass of oranges in the transactions between the farmers and the intermediaries.
Unit of volume
The arroba is also useful like unit of volume or capacity to measure the liquids where it is worth then between 10 and 16 liters. Its value varies, not only one area with the other, but also according to the measured liquid. Thus, the arroba used in Castille for the measurement of oil is worth 12,563 liters, while that of the wine is equivalent to 16,133 liters.
As a unit of volume, the arroba is still used in areas like the Andalusia, Estrémadure, and Castille it Manche where it is still frequent of speaking about arrobas of wine.
See too
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