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  2. Orders of magnitude (length) - Wikipedia

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

    To help compare different orders of magnitude, this section lists lengths between 10 −3 m and 10 −2 m (1 mm and 1 cm). 1.0 mm – 1/1,000 of a meter; 1.0 mm – 0.03937 inches or 5/127 (exactly) 1.0 mm – side of a square of area 1 mm²; 1.0 mm – diameter of a pinhead; 1.5 mm – average length of a flea [27]

  3. Foot (unit) - Wikipedia

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

    The Greek foot (πούς, pous) had a length of ⁠ 1 / 600 ⁠ of a stadion, [12] one stadion being about 181.2 m (594 ft); [13] therefore a foot was, at the time, about 302 mm (11.9 in). Its exact size varied from city to city and could range between 270 mm (10.6 in) and 350 mm (13.8 in), but lengths used for temple construction appear to ...

  4. Template:Height - Wikipedia

    en.wikipedia.org/wiki/Template:Height

    The template is intended for conversion of heights specified in either metres or in feet and inches. Template parameters [Edit template data] Parameter Description Type Status Metres m metre metres meter meters The height in metres. Do not use if feet and inches are specified. Number optional Centimetres cm centimetre centimetres centimeter centimeters The height in centimetres. Do not use if ...

  5. 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] It is the area of a square with sides one metre in ...

  6. List of tallest people - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest_people

    Coyne's World War I draft registration card, dated 29 August, gave his height as 8 ft (240 cm), although he had reached a height of 8 ft 1.7 in (2.48 m), possibly 8 feet 4 inches (254 cm) by the time of his death. 1897–1921 (23) Brahim Takioullah: Morocco: 246 cm: 8 ft 1 in [25] Possesses the world's largest feet at 38 cm (1 ft 3 in). [26]

  7. List of track gauges - Wikipedia

    en.wikipedia.org/wiki/List_of_track_gauges

    Faxe Jernbane in southern Zealand, 791 mm 2 ft 7 + 5 ⁄ 32 in and 785 mm 2 ft 6 + 29 ⁄ 32 in, 2½ feet (785 mm) both gauges were used at Faxe Jernbane and Faxe limestone quarry, none remains, only a few materials and trains from Faxe Jernbane and Faxe limestone quarry remains for preservation on Hedeland veteran railway dk.

  8. Tree girth measurement - Wikipedia

    en.wikipedia.org/wiki/Tree_girth_measurement

    The Árbol del Tule in Santa Maria del Tule, Oaxaca, Mexico (Taxodium mucronatum) has a girth of 119.8 feet (36.5 m) and a height of 116.1 feet (35.4 m), with a 144-foot (43.9 m) wide crown as measured by Dr. Robert Van Pelt in 2005. The Tule tree therefore has a diameter of 38.1 feet (11.61 m) as extrapolated from the tape wrap values.

  9. Metre - Wikipedia

    en.wikipedia.org/wiki/Metre

    The metre (or meter in US spelling; symbol: m) is the base unit of length in the International System of Units (SI). Since 2019, the metre has been defined as the length of the path travelled by light in vacuum during a time interval of ⁠ 1 / 299 792 458 ⁠ of a second, where the second is defined by a hyperfine transition frequency of caesium.