• Dimensionless quantities, or quantities of dimension one, are quantities implicitly defined in a manner that prevents their aggregation into units of measurement...
    22 KB (2,320 words) - 13:34, 20 August 2024
  • milliliter (mL/mL). The number one is recognized as a dimensionless base quantity. Radians serve as dimensionless units for angular measurements, derived from...
    14 KB (2,386 words) - 21:29, 25 June 2024
  • well-known dimensionless quantities illustrating their variety of forms and applications. The tables also include pure numbers, dimensionless ratios, or...
    42 KB (780 words) - 10:11, 17 June 2024
  • which is itself dimensionless. Therefore, multiplying by that conversion factor does not change the dimensions of a physical quantity. There are also...
    96 KB (11,893 words) - 21:53, 16 September 2024
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    systems of units). The angular quantities, plane angle and solid angle, are defined as derived dimensionless quantities in the SI. For some relations,...
    18 KB (1,616 words) - 03:01, 8 September 2024
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    Such a quantity can be regarded as a derived quantity in the form of the ratio of two quantities of the same dimension. The named dimensionless units "radian"...
    10 KB (1,105 words) - 17:27, 16 September 2024
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    Parts-per notation (category Dimensionless numbers)
    values of miscellaneous dimensionless quantities, e.g. mole fraction or mass fraction. Since these fractions are quantity-per-quantity measures, they are pure...
    27 KB (2,393 words) - 01:18, 18 May 2024
  • common symbols for the quantities, and the given dimensionless number is the ratio of the left column quantity over top row quantity; e.g. Re = inertial...
    26 KB (811 words) - 19:28, 28 December 2023
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    2002, p. 34. Hindley & Seldin 2008, p. 48. "1.8 (1.6) quantity of dimension one dimensionless quantity". International vocabulary of metrology — Basic and...
    33 KB (3,305 words) - 23:50, 3 September 2024
  • Thumbnail for Mole (unit)
    in a one-mole sample equals the Avogadro number (symbol N0), a dimensionless quantity. Historically, N0 approximates the number of nucleons (protons or...
    26 KB (3,294 words) - 18:49, 11 September 2024