What area in square metres is a hectare?
Hectare in bold. One hectare is also equivalent to: Hectare The hectare (; SI symbol: ha) is an SI accepted metric system unit of area equal to a square with 100-metre sides, or 10,000 m, and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. An acre is about 0.405 hectare and one hectare contains about 2.47 acres. In 1795, when the metric system was introduced, the "are" was defined as 100 :square metres and the hectare ("hecto-" + "are") was thus 100 "ares" or km. When the metric system was further rationalised in
Hectare class indicator. The names "centiare", "deciare", "decare" and "hectare" are derived by adding the standard metric prefixes to the original base unit of area, the "are". The centiare is one square metre. The deciare is ten square metres. The are ( or ) is a unit of area, equal to 100 square metres (), used for measuring land area. It was defined by older forms of the metric system, but is now outside the modern International System of Units (SI). It is still commonly used in colloquial speech to measure real estate, in particular in Indonesia, India, and in various