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  2. List of conversion factors - Wikipedia

    en.wikipedia.org/wiki/List_of_conversion_factors

    Conversions between units in the metric system are defined by their prefixes (for example, 1 kilogram = 1000 grams, 1 milligram = 0.001 grams) and are thus not listed in this article. Exceptions are made if the unit is commonly known by another name (for example, 1 micron = 10 −6 metre).

  3. Book size - Wikipedia

    en.wikipedia.org/wiki/Book_size

    Its size is 1.5 m × 2.1 m (5 ft × 7 ft). [13] According to the 2007 Guinness World Records, the largest published book in the world was The Little Prince printed in Brazil in 2007. Its size is 2.01 m × 3.08 m (6 ft 7 in × 10 ft 1 in). [14]

  4. Ratio - Wikipedia

    en.wikipedia.org/wiki/Ratio

    The ratio of width to height of standard-definition television. In mathematics, a ratio (/ ˈ r eɪ ʃ (i) oʊ /) shows how many times one number contains another. For example, if there are eight oranges and six lemons in a bowl of fruit, then the ratio of oranges to lemons is eight to six (that is, 8:6, which is equivalent to the ratio 4:3).

  5. Weights and Measures Act (Canada) - Wikipedia

    en.wikipedia.org/wiki/Weights_and_Measures_Act...

    metric equivalent US Equivalent [1] English French fluid dry bushel: boisseau: 8 gal 36.36872 L 9.608 US fl gal 8.256 US dry gal peck: quart de boisseau: 2 gal 9.09218 L 2.402 US fl gal 2.064 US dry gal gallon: gallon: 454,609 ⁄ 100,000,000 m 3: 4.54609 L 1.201 US fl gal 1.032 US dry gal quart: pinte: 1 ⁄ 4 gal 1.1365225 L 1.201 US qt pint ...

  6. List of scale model sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_scale_model_sizes

    This is the scale which MOROP has defined for O scale, because it is half the size of the 1:22.5 Scale G-gauge model railways made by German manufacturers. [citation needed] 1:43.5: 7.02 mm: Model railways (0) Exact O scale of 7 mm = 1 foot. 1:43: 7.088 mm: Die-cast cars: Still the most popular scale for die-cast cars worldwide, metric or ...

  7. Feret diameter - Wikipedia

    en.wikipedia.org/wiki/Feret_diameter

    From Cauchy's theorem it follows that for a 2D convex body, the Feret diameter averaged over all directions (〈F〉) is equal to the ratio of the object perimeter (P) and pi, i.e.,〈F〉= P/ π. There is no such relation between〈F〉and P for a concave object. [1] [2]

  8. Square–cube law - Wikipedia

    en.wikipedia.org/wiki/Square–cube_law

    Its volume would be multiplied by the cube of 2 and become 8 m 3. The original cube (1 m sides) has a surface area to volume ratio of 6:1. The larger (2 m sides) cube has a surface area to volume ratio of (24/8) 3:1. As the dimensions increase, the volume will continue to grow faster than the surface area. Thus the square–cube law. This ...

  9. Surface-area-to-volume ratio - Wikipedia

    en.wikipedia.org/wiki/Surface-area-to-volume_ratio

    The surface-area-to-volume ratio has physical dimension inverse length (L −1) and is therefore expressed in units of inverse metre (m-1) or its prefixed unit multiples and submultiples. As an example, a cube with sides of length 1 cm will have a surface area of 6 cm 2 and a volume of 1 cm 3. The surface to volume ratio for this cube is thus