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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 −2 m and 10 −1 m (1 cm and 1 dm). 1 cm – 10 millimeters; 1 cm – 0.39 inches; 1 cm – edge of a square of area 1 cm 2; 1 cm – edge of a cube of volume 1 mL; 1 cm – length of a coffee bean; 1 cm – approximate width of average fingernail

  3. List of conversion factors - Wikipedia

    en.wikipedia.org/wiki/List_of_conversion_factors

    fps 2: ≡ 1 ft/s 2 = 3.048 × 10 −1 m/s 2: gal; galileo: Gal ≡ 1 cm/s 2 = 10 −2 m/s 2: inch per minute per second: ipm/s ≡ 1 in/(min⋅s) = 4.2 3 × 10 −4 m/s 2: inch per second squared: ips 2: ≡ 1 in/s 2 = 2.54 × 10 −2 m/s 2: knot per second: kn/s ≡ 1 kn/s ≈ 5.1 4 × 10 −1 m/s 2: metre per second squared (SI unit) m/s 2 ...

  4. 10.5 cm SK C/32 naval gun - Wikipedia

    en.wikipedia.org/wiki/10.5_cm_SK_C/32_naval_gun

    The 10.5 cm SK C/32 was a built-up gun, 45 calibers long, with a jacket and breech that weighed about 1.8 tons. The gun fired 10.5 centimeters (4.1 in) fixed ammunition, which was 1.51 m (5.0 ft) long, weighed 24.2 kg (53 lb) and had a 4.08-kilogram (9.0 lb) propellant charge.

  5. Metric system - Wikipedia

    en.wikipedia.org/wiki/Metric_system

    This differs from many older systems in which the ratio of different units varied. For example, 12 inches is one foot, but the larger unit in the same system, the mile is not a power of 12 feet. It is 5,280 feet – which is hard to remember for many. [5]: 17

  6. Historical Russian units of measurement - Wikipedia

    en.wikipedia.org/wiki/Historical_Russian_units...

    30.48 cm 1 ft локоть: lokot' elbow 9 ⁄ 14: 45.72 cm 1 + 1 ⁄ 2 ft; cf. cubit/ell: шаг: shag stride, step 1 71.12 cm cf. step: арши́н: arshin: yard 1 71.12 cm 2 + 1 ⁄ 3 ft саже́нь, са́жень: sazhen' fathom: 3 2.1336 m 7 ft верста́: vyersta turn (of a plough) 1500 1.0668 km 3,500 ft ми́ля: milya mile ...

  7. German units of measurement - Wikipedia

    en.wikipedia.org/wiki/German_units_of_measurement

    2.932 m (9 ft 7.4 in) Braunschweig (Brunswick) Ruthe 16 Fuß 4.565 m (14 ft 11.7 in) Bremen Ruthe 8 Ellen or 16 Fuß 4.626 m (15 ft 2.1 in) Calenberg Ruthe 16 Fuß 4.677 m (15 ft 4.1 in) Cassel, Hessen Ruthe 14 Fuß 4.026 m (13 ft 2.5 in) Hamburg Geestruthe 16 Fuß 4.583 m (15 ft 0.4 in) Hamburg Marschruthe 14 Fuß

  8. Foot (unit) - Wikipedia

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

    The foot of an adult European-American male is typically about 15.3% of his height, [10] giving a person of 175 cm (5 ft 9 in) a foot-length of about 268 mm (10.6 in), on average. Archaeologists believe that, in the past, the people of Egypt, India, and Mesopotamia preferred the cubit, while the people of Rome, Greece, and China preferred the foot

  9. Cubic mile - Wikipedia

    en.wikipedia.org/wiki/Cubic_mile

    4.1682 km 3 A cubic mile (abbreviation: cu mi or mi 3 [ 1 ] ) is an imperial and US customary (non- SI non- metric ) unit of volume , used in the United States, Canada and the United Kingdom. It is defined as the volume of a cube with sides of 1 mile (1.6 km ) length, giving a volume of 1 cubic mile (4.2 km 3 ).