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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. Measurement of land in Punjab - Wikipedia

    en.wikipedia.org/wiki/Measurement_of_land_in_Punjab

    A killa or acre is measured rectangularly, reckoned as an area 36 karams (198 ft) x 40 karams (220 ft) (43,560 square ft). 1 /5th of a killa or acre is known as bigha 1 /5th of a killa or acre is known as bigha

  4. List of conversion factors - Wikipedia

    en.wikipedia.org/wiki/List_of_conversion_factors

    Definition Relation to SI units acre (international) ac ≡ 1 ch × 10 ch = 4840 sq yd: ≡ 4 046.856 4224 m 2: acre (US survey) ac ≡ 10 sq ch = 4840 sq yd, also 43 560 sq ft: ≈ 4 046.873 m 2 [17] are: a ≡ 100 m 2: ≡ 100 m 2: barn: b ≡ 10 −28 m 2: ≡ 10 −28 m 2: barony: ≡ 4000 ac ≡ 1.618 742 568 96 × 10 7 m 2: board: bd ≡ ...

  5. Section (United States land surveying) - Wikipedia

    en.wikipedia.org/wiki/Section_(United_States...

    One of the reasons for creating sections of 640 acres (260 ha) was the ease of dividing into halves and quarters while still maintaining a whole number of acres. A section can be halved seven times in this way, down to a 5-acre (2 ha) parcel, or half of a quarter-quarter-quarter section—an easily surveyed 50-square-chain (2 ha) area. This ...

  6. Construction estimating software - Wikipedia

    en.wikipedia.org/wiki/Construction_estimating...

    Many construction cost estimators continue to rely primarily upon manual methods, hard copy documents, and/or electronic spreadsheets such as Microsoft Excel. While spreadsheets are relatively easy to master and provide a means to create and report a construction cost estimate and or cost models, their benefit comes largely from their ability ...

  7. Floor area ratio - Wikipedia

    en.wikipedia.org/wiki/Floor_area_ratio

    For example, if a lot must adhere to a 0.1 FAR, then the total area of all floors in all buildings on the lot must be no more than one-tenth the area of the parcel itself. In other words, if the lot was 10,000 sq. ft, then the total floor area of all floors in all buildings must not exceed 1,000 sq. ft.

  8. Acre-foot - Wikipedia

    en.wikipedia.org/wiki/Acre-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 either the international foot (0.3048 m) or a U.S. survey foot (exactly ⁠ 1200 / 3937 ⁠ meters since

  9. Cuerda - Wikipedia

    en.wikipedia.org/wiki/Cuerda

    In Puerto Rico, a cuerda is a traditional unit of land area nearly equivalent to 3,930 square meters, [1] [2] or 4,700 square yards, 0.971 acre, or 0.393 hectare (ha). The precise conversion is 1 cuerda = 3,930.395625 m 2. [2] The term "Spanish acre" instead has been used sometimes by mainlanders. [1]