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  2. Acre - Wikipedia

    en.wikipedia.org/wiki/Acre

    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.

  3. Jugerum - Wikipedia

    en.wikipedia.org/wiki/Jugerum

    The square actus is bounded by 120 feet each way: when doubled it forms a iugerum, and it has derived the name iugerum from the fact that it was formed by joining. [5] In Gaul, half of a jugerum was called an arepennis (“head of a furrow”). It was the measure of a plowed furrow before the plowman turned the plow to cut a new parallel furrow.

  4. Dunam - Wikipedia

    en.wikipedia.org/wiki/Dunam

    In Israel and Turkey, the dunam is 1,000 square metres (10,764 sq ft), which is 1 decare. From the Ottoman period and through the early years of the British Mandate for Palestine , the size of a dunam was 919.3 square metres (9,895 sq ft), but in 1928, the metric dunam of 1,000 square metres (0.10 ha) was adopted, and this is still used today ...

  5. Acre-foot - Wikipedia

    en.wikipedia.org/wiki/Acre-foot

    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). There has been two definitions of the acre-foot (differing by about 0.0006%), using ...

  6. Arpent - Wikipedia

    en.wikipedia.org/wiki/Arpent

    In Arkansas and Missouri, the official conversion is 1 arpent = 0.8507 acres (3,443 square metres). [3] In Paris, the square arpent was 220 French feet × 220 French feet = 48,400 French square feet, about 5,107 square metres or 1.262 acres. In Mauritius and Seychelles, an arpent is about 4220.87 square metres, 0.4221 hectares, 1.043 acres. [4]

  7. Bigha - Wikipedia

    en.wikipedia.org/wiki/Bigha

    Hence each Katha is 2,880 square feet (268 m 2) in area, although this may vary within different regions of Assam. 4 bighas together are further termed as a Pura. 1 Katha = 2,880 square feet (268 m 2) or 320 sq yard; 1 Lessa = 144 square feet (13.4 m 2) or 16 sq yard; 1 Acre = 3.025 bigha and 1 Hectare = 7.475 bigha (Assam)

  8. Orders of magnitude (area) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(area)

    1 square zeptometre (zm 2) 1 zm 2 10 −36: 1 square attometre (am 2) 1 am 2 10 −30: 1 square femtometre (fm 2) 1 fm 2 10 −29 66.52 fm 2: Thomson cross-section of the electron [4] 10 −28 100 fm 2: 1 barn, roughly the cross-sectional area of a uranium nucleus [5] 10 −24: 1 square picometre (pm 2) 1 pm 2 10 −20: 1 square angstrom (Å 2 ...

  9. Tamil units of measurement - Wikipedia

    en.wikipedia.org/wiki/Tamil_units_of_measurement

    1 தாக்கு (thakku) = 7.56 சதுர அடி (Sq. ft) In Jaffna, Sri Lanka For House property 1 Parappu = 1 Lacham = 10 Perches; 16 Parappu = 1 Acre; Varaku Culture (V.C.) 18 kulies = 1 lacham; 16 lachams = 1 acre; Paddy Culture (P.C.) 12 kulies = 1 lacham; 24 lachams = 1 acre