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Hectare

A hectare (symbol ha) is an SI derived unit of surface area, equal to 100 ares (the name is a contraction of the SI prefix hecto + are).

One hectare is equivalent to:

100 ares
10,000 square metres
0.01 square kilometres
2.47105381467165 acres

Conversely:

100 hectares is equal to one square kilometre.

See 1 E4 m² for further comparisons.

External link

Conversion Calculator for Units of AREA (http://www.ex.ac.uk/cimt/dictunit/ccarea.htm)

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