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One acre equals 1 ⁄ 640 (0.0015625) square mile, 4,840 square yards, 43,560 square feet, [2] or about 4,047 square metres (0.4047 hectares) (see below).While all modern variants of the acre contain 4,840 square yards, there are alternative definitions of a yard, so the exact size of an acre depends upon the particular yard on which it is based.
The acre is also commonly used to measure land areas, where 1 acre = 4,840 square yards = 43,560 square feet. An acre is approximately 40% of a hectare. On the atomic scale, area is measured in units of barns, such that: [13] 1 barn = 10 −28 square meters. The barn is commonly used in describing the cross-sectional area of interaction in ...
The cent is a customary unit of measurement still used in some parts of southern Indian states such as Andhra Pradesh, Telangana, Kerala, Tamil Nadu and Karnataka despite the usual use of metric units for other instances.
Image comparing the hectare (the small blue area at lower left) to other units. The entire yellow square is one square mile.. The hectare (/ ˈ h ɛ k t ɛər,-t ɑːr /; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100-metre sides (1 hm 2), that is, 10,000 square metres (10,000 m 2), and is primarily used in the measurement of land.
1 ~1,124 m 2 ~1344 sq yd exactly 5 ⁄ 18 acre, or 12,100 square feet. This unit is also exactly 256 qasba kwadru. Sometimes called a tumolo in English texts. Also called Tumoli with modern real estate agents Cf. dunam. wejba: wejbiet 4 ~4497 m 2 ~1.111 acres exactly 1 + 1 ⁄ 9 acres. modd: mdied 16 ~1.799 ha ~4.444 acres exactly 4 + 4 ⁄ 9 acres
A dunam (Ottoman Turkish, Arabic: دونم; Turkish: dönüm; Hebrew: דונם Yiddish: דונאם), also known as a donum or dunum and as the old, Turkish, or Ottoman stremma, was the Ottoman unit of area equivalent to the Greek stremma or English acre, representing the amount of land that could be ploughed by a team of oxen in a day.
A decimal is one hundredth of an acre of land, [2] and is equal to 48.4 square yards or 435.6 square feet (40.47 m 2). [1] Decimals are also used as a measure of land in West Africa. [citation needed]
[1] [2] In Afghanistan, however, it is standardized at 2,000 square metres (0.49 acres). [ 2 ] [ 3 ] The jerib was roughly equivalent to the other customary land measures in south Asia and the Middle East, the Indian bigha and the Sumerian iku , varying between 1,600 and 3,600 square metres (0.40 and 0.89 acres).