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  2. Orders of magnitude (length) - Wikipedia

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

    3.48 Mm Diameter of the Moon: 5.2 Mm Typical distance covered by the winner of the 24 Hours of Le Mans automobile endurance race 6.259 Mm Length of the Great Wall of China: 6.371 Mm Average radius of Earth: 6.378 Mm Equatorial radius of Earth 6.6 Mm Approximate length of the two longest rivers, the Nile and the Amazon: 7.821 Mm

  3. List of scale model sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_scale_model_sizes

    Used for 12 mm, and 12.5 mm figure scale miniature wargaming. 1:128: 3 ⁄ 32 in: 2.381 mm A few rockets and some fit-in-the-box aircraft are made to this size. 1:120: 0.1 in: 2.54 mm: Model railways (TT) Derived from the scale of 1 inch equals 10 feet.TT model railroad scale. Used in AD&D Battlesystem Skirmishes rules. Works with 15 mm ...

  4. List of track gauges - Wikipedia

    en.wikipedia.org/wiki/List_of_track_gauges

    838 mm 2 ft 9 in: Japan Nankai Railway (former gauge, converted to 1,067 mm (3 ft 6 in gauge) England Seaton Tramway, Volk's Electric Railway (former gauge) 850 mm: 2 ft 9 + 15 ⁄ 32 in: Italy Ponte Tresa-Luino (1924: converted to 1,100 mm (3 ft 7 + 5 ⁄ 16 in) gauge, 1950: closed) Menaggio–Porlezza railway (1939: closed) 860 mm: 2 ft 9 + 7 ...

  5. List of tablet PC dimensions and case sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_tablet_PC...

    Tablet cases sizes Tablet PC Height Width Depth Screen Case size Acer Iconia Tab A500 [1]: 10.2 in (260 mm) 7 in (180 mm) 0.52 in (13 mm) 10.1 in (260 mm)

  6. Drive bay - Wikipedia

    en.wikipedia.org/wiki/Drive_bay

    For 2.5-inch bays, actual dimensions are 2 + 3 ⁄ 4 inches (69.9 mm) wide, between 5 millimetres (0.20 in) and 3 ⁄ 4 inch (19.1 mm) high, and 3.955 inches (100.5 mm) deep. However, most laptops have drive bays smaller than the 15 mm specification. 2.5-inch hard drives may range from 7 mm to 15 mm in height.

  7. Shoe size - Wikipedia

    en.wikipedia.org/wiki/Shoe_size

    The typical range lies between 1 ⁄ 2 to 2 ⁄ 3 inch (12.7 to 16.9 mm) for the UK/US size system and 4 ⁄ 3 to 5 ⁄ 3 cm (13.3 to 16.7 mm) for the European size system, but may extend to 1 ⁄ 4 to 3 ⁄ 4 inch (6.4 to 19.1 mm) and 2 ⁄ 3 to 6 ⁄ 3 cm (6.7 to 20.0 mm).

  8. The height differences between all the US presidents and ...

    www.aol.com/news/height-differences-between-us...

    The shortest first lady was Eliza Johnson at 4 feet 9 inches, and Eleanor Roosevelt, Michelle Obama, and Melania Trump tied for the tallest at 5 feet 11 inches. Here is the height difference of ...

  9. 2 mm scale - Wikipedia

    en.wikipedia.org/wiki/2_mm_scale

    2 mm scale, often 2 mm finescale is a specification used for railway modelling, [1] largely for modelling British railway prototypes. [citation needed] It uses a scale of 2 mm on the model to 1 foot on the prototype, which scales out to 1:152. [1] The track gauge used to represent prototype standard gauge (4 feet 8 + 1 ⁄ 2 inches) is 9.42 mm ...