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  2. Caliber - Wikipedia

    en.wikipedia.org/wiki/Caliber

    medium-bore refers to calibers with a diameter of 0.33 inches (8.4 mm) to 0.39 inches (9.9 mm) large-bore refers to calibers with a diameter of 0.40 inches (10 mm) or larger There is much variance in the use of the term "small-bore", which over the years has changed considerably, with anything under 0.577 inches (14.7 mm) considered "small-bore ...

  3. Orders of magnitude (length) - Wikipedia

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

    The millimetre (SI symbol: mm) is a unit of length in the metric system equal to 10 −3 metres (⁠ 1 / 1 000 ⁠ m = 0.001 m). 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)

  4. Milliradian - Wikipedia

    en.wikipedia.org/wiki/Milliradian

    If using the metric unit meters for distance and the imperial unit inches for target size, one has to multiply by a factor of 25.4, since one inch is defined as 25.4 millimeters. distance in meters = target in inches angle in mrad × 25.4 {\displaystyle {\text{distance in meters}}={\frac {\text{target in inches}}{\text{angle in mrad}}}\times 25.4}

  5. French catheter scale - Wikipedia

    en.wikipedia.org/wiki/French_catheter_scale

    The French scale measures and is proportional to the outer diameter of a catheter, with 1 French (Fr) defined as 1 ⁄ 3 millimeter, making the relationship: 1 mm = 3 Fr. Thus, the outer diameter of a catheter in millimeters can be calculated by dividing the French size by 3. [ 2 ]

  6. 1:64 scale - Wikipedia

    en.wikipedia.org/wiki/1:64_scale

    The 1:64 scale originated by halving the common 1:32 scale, which was known as "standard size" in some hobbies. This smaller scale became successful because of its relative size in comparison to other toys, the fact that it is a derivative of the 1/16 scale, and because small hands easily hold them. [ 1 ]

  7. Hail - Wikipedia

    en.wikipedia.org/wiki/Hail

    Hailstones ranging in size from a few millimetres to over a centimetre in diameter. The size of hailstones is best determined by measuring their diameter with a ruler. In the absence of a ruler, hailstone size is often visually estimated by comparing its size to that of known objects, such as coins. [38]

  8. Norfolk, Virginia - Wikipedia

    en.wikipedia.org/wiki/Norfolk,_Virginia

    The average household size was 2.43 and the average family size was 3.06. [58] The age distribution was 24.0% under the age of 18, 18.2% from 18 to 24, 29.9% from 25 to 44, 16.9% from 45 to 64, and 10.9% who were 65 years of age or older. The median age was 30 years. For every 100 females, there were 104.6 males.

  9. Punjab - Wikipedia

    en.wikipedia.org/wiki/Punjab

    This is an accepted version of this page This is the latest accepted revision, reviewed on 3 February 2025. There is 1 pending revision awaiting review. Geographical region in South Asia This article is about the geographical region. For the province of Pakistan, see Punjab, Pakistan. For the state in India, see Punjab, India. For other uses, see Punjab (disambiguation). Region Punjab ...