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Quintal
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For other uses, see Quintal (disambiguation).
The quintal or centner is a historical unit of mass with many different definitions in different countries, but usually it is 100 base units of mass, e.g. pounds.
Both terms share their roots in the Classical Latin centenarius, meaning hundredlike, but the quintal has a convoluted etymology: It became Late Latin centenarium pondus, then in succession, Late Greek, kentenarion, Arabic, qintar, Mediæval Latin, quintale, and finally Old French quintal before passing into the English language. The word centner, on the other hand, is just a Germanicized form of centenarius.
The unit was and still is used in the Arab world, where it is known as the qintar. It is currently defined informally as 50 kg. The qintar was reimported to Europe by traders.
In France it used to be defined as 100 livres (pounds), about 48.95 kg, and has later been redefined as 100 kg (mesures usuelles). In Spain it is still defined as 100 libras, or about 46 kg, and in Portugal as 128 libras or about 58.75 kg. In English both, quintal and centner, were once alternate names for the hundredweight and thus defined either as 100 lb (exactly 45.359237 kg) or as 112 lb (about 50.84 kg). Also, in Dominican Republic it is about 125 lb.
In India, the quintal is equivalent to 100 kg and is a standard measurement of mass for agricultural products.
The quintal was defined in the United States in 1866[1] as 100 kilograms. However, this is not in use and though it still appears in the statute, it has been declared obsolete by NIST.[2]
100 kilograms centner and "centner per hectare" were also common units used in Soviet Union's agriculture and are used now in ex-USSR states.
[edit] References
1. ^ Act of July 28, 1866, codified in 15 U.S.C. §205 [1]
2. ^ "Metric System of Measurement: Interpretation of the International System of Units for the United States", Federal Register notice of July 28, 1998, 63 F.R. 40333 [2]
[edit] See also
* Zentner
This standards- or measurement-related article is a stub. You can help Wikipedia by expanding it.
Retrieved from "http://en.wikipedia.org/wiki/Quintal"
Categories: Standards and measurement stubs | Units of mass | Non-SI metric units | Customary units of measure
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