how many acre is equal to one hectare
100
title: Hectare text: 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 1960, resulting in the International System of Units title: Hectare text: 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 title: Acre text: Acre The acre is a unit of land area used in the imperial and US customary systems. It is traditionally defined as the area of one chain by one furlong (66 by 660 feet), which is exactly equal to 10 square chains, of a square mile, or 43,560 square feet, and approximately 4,047 m, or about 40% of a hectare. The acre is a statute measure in the United States and was formerly one in the United Kingdom and almost all countries of the former British Empire, although informal use continues. The international symbol of the acre is ac. In title: Acre text: Prairie Provinces and the US Midwest are on square-mile grids for surveying purposes. Acre The acre is a unit of land area used in the imperial and US customary systems. It is traditionally defined as the area of one chain by one furlong (66 by 660 feet), which is exactly equal to 10 square chains, of a square mile, or 43,560 square feet, and approximately 4,047 m, or about 40% of a hectare. The acre is a statute measure in the United States and was formerly one in the United Kingdom and almost all countries of the former British Empire, title: Acre text: American football field. To be more exact, one acre is 90.75% of a 100-yd-long by 53.33-yd-wide American football field (without the end zone). The full field, including the end zones, covers about . For residents of other countries, the acre might be envisioned as rather more than half of a Association football (soccer) pitch. It may also be remembered as 1% short of 44,000 square feet. The word "acre" is derived from Old English originally meaning "open field", cognate to west coast Norwegian and Swedish , German , Dutch , Latin , Sanskrit , and Greek (). In English, it