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  2. Hide (unit) - Wikipedia

    en.wikipedia.org/wiki/Hide_(unit)

    The hide was an English unit of land measurement originally intended to represent the amount of land sufficient to support a household. It was traditionally taken to be 120 historical acres or 48 acres (19 hectares), but was in fact a measure of value and tax assessment, including obligations for food-rent (feorm), maintenance and repair of bridges and fortifications, manpower for the army ...

  3. Gunter's chain - Wikipedia

    en.wikipedia.org/wiki/Gunter's_chain

    Gunter's chain (also known as Gunter's measurement) is a distance-measuring device used for surveying. It was designed and introduced in 1620 by English clergyman and mathematician Edmund Gunter (1581–1626). It enabled plots of land to be accurately surveyed and plotted, for legal and commercial purposes.

  4. United States customary units - Wikipedia

    en.wikipedia.org/wiki/United_States_customary_units

    The National Institute of Standards and Technology formerly contended that customary area units are defined in terms of the square survey foot, not the square international foot, [17] but from 2023 it states that "although historically defined using the U.S. survey foot, the statute mile can be defined using either definition of the foot, as is ...

  5. United States National Grid - Wikipedia

    en.wikipedia.org/wiki/United_States_National_Grid

    Rectangular, distance-based coordinate systems have long been recognized for their practical utility for land measurement and geolocation over local areas. In the United States, the Public Land Survey System (PLSS), created in 1785 in order to survey land newly ceded to the nation, introduced a rectangular coordinate system to improve on the ...

  6. Floor area ratio - Wikipedia

    en.wikipedia.org/wiki/Floor_area_ratio

    In the United States and Canada, floor space ratio (FSR) and floor area ratio (FAR) are both used. [10] Use ratios are used as a measure of the density of the site being developed. High FAR indicates a dense construction. The ratio is generated by dividing the building area by the parcel area, using the same units.

  7. Rod (unit) - Wikipedia

    en.wikipedia.org/wiki/Rod_(unit)

    The rod is useful as a unit of length because integer multiples of it can form one acre of square measure (area). The 'perfect acre' [2] is a rectangular area of 43,560 square feet, bounded by sides 660 feet (a furlong) long and 66 feet (a chain) wide (220 yards by 22 yards) or, equivalently, 40 rods by 4 rods. An acre is therefore 160 square ...