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  2. Akaflieg Darmstadt - Wikipedia

    en.wikipedia.org/wiki/Akaflieg_Darmstadt

    Designed by H.Hofmann. First flight 1926. Aerofoil: Göttingen 535 and/or Göttingen 430/Göttingen431 14.5 m (47 ft 7 in), Wing area 16 m2 (170 sq ft), Empty wt. 120 kg (260 lb) No. of seats 1. 1 built. Built following the "Darmstadt School", of cantilevered high wing with streamlined fuselage sections.

  3. List of conversion factors - Wikipedia

    en.wikipedia.org/wiki/List_of_conversion_factors

    square foot: sq ft ≡ 1 ft × 1 ft: ≡ 9.290 304 × 10 −2 m 2: square foot (US Survey) sq ft ≡ 1 ft (US) × 1 ft (US) ≈ 9.290 341 161 3275 × 10 −2 m 2: square inch: sq in ≡ 1 in × 1 in: ≡ 6.4516 × 10 −4 m 2: square kilometre: km 2: ≡ 1 km × 1 km = 10 6 m 2: square link (Gunter's)(International) sq lnk ≡ 1 lnk × 1 lnk ...

  4. Square metre - Wikipedia

    en.wikipedia.org/wiki/Square_metre

    Comparison of 1 square metre with some Imperial and metric units of area. The square metre (international spelling as used by the International Bureau of Weights and Measures) or square meter (American spelling) is the unit of area in the International System of Units (SI) with symbol m 2. [1]

  5. List of city squares by size - Wikipedia

    en.wikipedia.org/wiki/List_of_city_squares_by_size

    Formed of two squares, approx. 120 by 100 m (390 by 330 ft) and 50 by 50 m (160 by 160 ft) Republiky Square: Mladá Boleslav Czech Republic: 14,350 154,500: 245 by 80 by 240 by 45 m (804 by 262 by 787 by 148 ft) Place de la Bastille: Paris France: 14,000 150,000: Approx. 120 by 120 m (390 by 390 ft) 1792: Turbinenplatz: Zürich Switzerland ...

  6. 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 ...

  7. Ancient Roman units of measurement - Wikipedia

    en.wikipedia.org/wiki/Ancient_Roman_units_of...

    47.1 sq ft scrupulum 100 1 ⁄ 288: 8.76 m 2 94.3 sq ft duo scrupula 200 1 ⁄ 144: 17.5 m 2 188 sq ft sextula 400 1 ⁄ 72: 35.0 m 2 377 sq ft sicilicus 600 1 ⁄ 48: 52.6 m 2 566 sq ft semiuncia 1,200 1 ⁄ 24: 105 m 2 1,130 sq ft uncia 2,400 1 ⁄ 12: 210 m 2 2,260 sq ft sextans 4,800 1 ⁄ 6: 421 m 2 4,530 sq ft quadrans

  8. Square (unit) - Wikipedia

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

    The square is an Imperial unit of area that is used in the construction industry in the United States and Canada, [1] and was historically used in Australia. One square is equal to 100 square feet . Examples where the unit is used are roofing shingles, metal roofing, vinyl siding, and fibercement siding products.

  9. 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 ...