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The entire yellow square is one square mile; the dark blue area at right represents 100 acres. The acre ( / ˈeɪkər / AY-kər) is a unit of land area used in the British imperial and the United States 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 ...
The entire yellow square is one square mile. The hectare ( / ˈhɛktɛər, - tɑːr /; 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 meters (10,000 m 2 ), and is primarily used in the measurement of land. There are 100 hectares in one square kilometre.
A furlong is a measure of distance in imperial units and United States customary units equal to one-eighth of a mile, equivalent to any of 660 feet, 220 yards, 40 rods, 10 chains or approximately 201 metres. It is now mostly confined to use in horse racing, where in many countries it is the standard measurement of race lengths, and agriculture ...
3.0976 × 106 sq yd. 640 acres. SI units. 2.59 × 106 m2. 2.59 km2. The square mile (abbreviated as sq mi and sometimes as mi2) [ 1] is an imperial and US unit of measure for area. One square mile is equal to the area of a square with each side measuring a length of one mile. [ 2]
5,000. 1.3932 km. legua. "league". 15,000. 4.1795 km. There are a number of Spanish units of measurement of length or area that are virtually obsolete due to metrication. They include the vara, the cordel, the league and the labor. The units of area used to express the area of land are still encountered in some transactions in land today.
Imperial / US. 0.3861 sq mi. 247.1 acres. The square kilometre ( square kilometer in American spelling; symbol: km2) is a multiple of the square metre, the SI unit of area or surface area . 1 km 2 is equal to: 1,000,000 square metres (m 2) 100 hectares (ha) It is also approximately equal to: 0.3861 square miles [ 2]
The size of the mile and acre are derived from the length of the surveyor's rod, a unit which in Ireland was called a perch (or linear perch to distinguish it from the square perch ). A mile is 320 linear perches and an acre is 160 square perches. The length of the perch was not standardised nationwide at the time of the Tudor conquest of ...
Most black people acquired land through private transactions, with ownership peaking at 15 million acres (6.1 million hectares) or ~23,000 square miles in 1910, before an extended financial recession caused problems that resulted in the loss of property for many.