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  2. Orders of magnitude (length) - Wikipedia

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

    The centimetre (SI symbol: cm) is a unit of length in the metric system equal to 10−2 metres (⁠ 1 100 ⁠ m = 0.01 m). To help compare different orders of magnitude, this section lists lengths between 10 −2 m and 10 −1 m (1 cm and 1 dm). 1 cm – 10 millimetres. 1 cm – 0.39 inches. 1 cm – edge of a square of area 1 cm 2.

  3. Help:Convert - Wikipedia

    en.wikipedia.org/wiki/Help:Convert

    By default, the output value is rounded to adjust its precision to match that of the input. An input such as 1234 is interpreted as 1234 ± 0.5, while 1200 is interpreted as 1200 ± 50, and the output value is displayed accordingly, taking into account the scale factor used in the conversion.

  4. Human height - Wikipedia

    en.wikipedia.org/wiki/Human_height

    The estimated mean height of English, German, and Scottish soldiers was 163 cm (5 ft 4 in) − 165 cm (5 ft 5 in) for the period as a whole, while that of Irish was 167 cm (5 ft 6 in). The average height of male slaves and convicts in North America was 171 cm (5 ft 7 in).

  5. Diameter at breast height - Wikipedia

    en.wikipedia.org/wiki/Diameter_at_breast_height

    In the United States, DBH is typically measured at 4.5 ft (1.37 m) above ground. [4] [5] In some countries, such as Australia, New Zealand, Burma, India, Malaysia, and South Africa, breast height diameter has historically been measured at a height of 1.4 m (4 ft 7 in), but because of much active research into allometrics that are being applied ...

  6. Milliradian - Wikipedia

    en.wikipedia.org/wiki/Milliradian

    ⁠ 20 mm / 50 m ⁠ = 0.4 mrad, or 4 clicks with a ⁠ 1 / 10 ⁠ mrad adjustment scope. ⁠ 50 mm / 1000 m ⁠ = 0.05 mrad, or 1 click with a 0.05 mrad adjustment scope. In firearm optics, where 0.1 mrad per click is the most common mrad based adjustment value, another common rule of thumb is that an adjustment of ⁠ 1 / 10 ⁠ mrad changes ...

  7. 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 ...

  8. List of examples of lengths - Wikipedia

    en.wikipedia.org/wiki/List_of_examples_of_lengths

    1.5 cm — length of a very large mosquito; 2 cm — approximate width of an adult human finger; 2.54 cm — 1 inch; 3.1 cm — 1 attoparsec (10 −18 parsecs) 3.5 cm — width of film commonly used in motion pictures and still photography; 4.3 cm — minimum diameter of a golf ball [32] 7.3-7.5 cm — diameter of a baseball [33]

  9. Aspect ratio (image) - Wikipedia

    en.wikipedia.org/wiki/Aspect_ratio_(image)

    Medium-format cameras typically have format designated by nominal sizes in centimeters (6×6, 6×7, 6×9, 6×4.5), but these numbers should not be interpreted as exact in computing aspect ratios. For example, the usable height of 120-format roll film is 56mm, so a width of 70mm (as in 6×7) yields an aspect ratio of 4:5 — ideal for enlarging ...