Are


Are

Are (symbol a, IPAEng|ɛə(r) or ɑə(r)) is a unit of area, equal to 100 square metres (10 m × 10 m), used for measuring land area. It was defined by older forms of the metric system, but is now outside of the modern International System (SI). [cite web|url=http://www.bipm.org/en/si/si_brochure/|title=SI brochure (8th edition)|accessdate=|year=2006|month=March|publisher=BIPM]

It is commonly used in many countries—in particular, in Indonesia, French-, Portuguese-, Polish- Dutch- and German-speaking countries—to measure real estate; elsewhere, the square metre is usually used. The are is sometimes used in combination with the centiare, "e.g." "10 ares 12 centiares" = 1012 m2. Larger land areas are generally measured in hectares. The decare is commonly used in the former Ottoman countries, usually under local names. Other prefixes for multiples and submultiples of the "are" are not in common use. There are other local units which are exact multiples of the are, "e.g." the Thai rai, 16 a.

The are is the standard unit of measurement for private plots of land (as opposed to large industrial and agricultural properties) in Russia and all the countries of the former Soviet Union. But since the original root word "are" has never been in use in Russian, and only the word "hectare" exists as a unit of land measurement, the Russian word for "are" is "sotka" (сотка), which roughly translates as "hundredth". Thus, the Russian language regards the hectare as the "root" unit of measurement, and a "sotka" is essentially a "centihectare", or (1 a × 100 ÷ 100). City dwellers in the former USSR use the term "sotka" to describe the size of their suburban dacha or allotment garden plots or small city parks; country dwellers or wealthy suburban homeowners use it to describe the size of the private yards around their houses, small private orchards, and the like. Hectares are used to describe larger plots of land, such as a factory complex, a collective farm, a university campus, or a nature preserve.

Conversions

"One are is equivalent to:"

Metric

* 0.0001 km2 (square kilometres)
* 0.01 ha (hectares)
* 1 dam2 = 10 m × 10 m (a square 10 metres on a side)
* 100 m2 (square metres)
* 100 ca (centiares)

English units

* 0.000 038 610 2 square miles (statute)
* 0.024 710 538 international acres
* 0.024 710 439 U.S. survey acres
* approximately 1076.39 square feet

Other

* 0.1 stremma

ee also

*1 E2 m² for a comparison with other areas

References

External links

* [http://physics.nist.gov/cuu/Units/outside.html US NIST Reference on SI] , Table 7. Other units outside the SI that are currently accepted for use with the SI, subject to further review. Note that this source refers to BIPM SI 7th edition. Reference should be made to BIPM SI 8th edition.


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Look at other dictionaries:

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  • Aré — de Nevers Aré de Nevers (aussi connu sous le nom de Saint Aré) était évêque de Nevers en France de 548 à 558. Biographie Aré de Nevers avait demandé qu à sa mort on le place dans une barque et qu on l enterre à l endroit où la barque s arrêterait …   Wikipédia en Français

  • Are — [AS. (Northumbrian) aron, akin to the 1st pers. pl. forms, Icel. erum, Goth. sijum, L. sumus, Gr. ?, Skr. smas; all from a root as. ? See {Am} and {Is}, and cf. {Be}.] The present indicative plural of the substantive verb to be; but… …   The Collaborative International Dictionary of English

  • Are — Are, n. [F., fr. L. area. See {Area}.] (Metric system) The unit of superficial measure, being a square of which each side is ten meters in length; 100 square meters, or about 119.6 square yards. [1913 Webster] …   The Collaborative International Dictionary of English

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