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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.
As the name suggests, an acre-foot is defined as the volume of one acre of surface area to a depth of one foot.. Since an acre is defined as a chain by a furlong (i.e. 66 ft × 660 ft or 20.12 m × 201.17 m), an acre-foot is 43,560 cubic feet (1,233.5 m 3).
As a unit of area, a square perch (the perch being standardized to equal 16 + 1 ⁄ 2 feet, or 5 + 1 ⁄ 2 yards) is equal to a square rod, 30 + 1 ⁄ 4 square yards (25.29 square metres) or 1 ⁄ 160 acre. There are 40 square perches to a rood (for example a rectangular area of 40 rods times one rod), and 160 square perches to an acre (for ...
In Bangladesh, one katha is standardized to 720 square feet (67 m 2), and 20 katha equals 1 bigha. 1 Katha (কাঠা) = 720 sq. feet = 66.88 sq. metre = 1.652 Decimal (শতাংশ/ শতক) 1 Bigha (বিঘা) = 20 Katha (কাঠা) = 14,400 square feet = 1,338 sq m = 1,600 sq yard
The actual definition of an acre in the legislation of the countries that use it is in terms of square yards (or maybe square feet). 1 acre is exactly equal to 1/640 of a square mile, but the acre is not defined as 1/640 of a square mile. Indefatigable 16:14, 8 November 2012 (UTC)
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[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).
Collectors avidly seek out original Apple-1 units, especially those in working condition or with their original packaging. These rare pieces can get a whopping $220,000 at auctions, which is a ...