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  2. Template:Convert/list of units - Wikipedia

    en.wikipedia.org/wiki/Template:Convert/list_of_units

    non-SI metric: kilometre per hour: km/h ... L/100 km and L/km variants work within combinations also ... This page was last edited on 30 November 2023, at 18:10 ...

  3. Orders of magnitude (length) - Wikipedia

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

    A length of 100 kilometers (about 62 miles), as a rough amount, is relatively common in measurements on Earth and for some astronomical objects. It is the altitude at which the FAI defines spaceflight to begin. To help compare orders of magnitude, this section lists lengths between 100 and 1,000 kilometers (10 5 and 10 6 meters).

  4. List of conversion factors - Wikipedia

    en.wikipedia.org/wiki/List_of_conversion_factors

    = 1.27 × 104 m: micrometre (old: micron) μ; μm ≡ 1 × 10 −6 m: ≡ 1 × 10 −6 m: mil; thou: mil ≡ 1 × 10 −3 in = 2.54 × 10 −5 m: mil (Sweden and Norway) mil ≡ 10 km = 10 000 m: mile (geographical) (H) ≡ 6082 ft = 1 853.7936 m: mile (international) mi ≡ 80 chains ≡ 5280 ft ≡ 1760 yd: ≡ 1 609.344 m: mile (tactical ...

  5. List of metric units - Wikipedia

    en.wikipedia.org/wiki/List_of_metric_units

    The shed is a unit of area used in nuclear physics equal to 10 −24 barns (100 rm 2 = 10 −52 m 2). The outhouse is a unit of area used in nuclear physics equal to 10 −6 barns (100 am 2 = 10 −34 m 2). The barn (b) is a unit of area used in nuclear physics equal to one hundred femtometres squared (100 fm 2 = 10 −28 m 2).

  6. International System of Units - Wikipedia

    en.wikipedia.org/wiki/International_System_of_Units

    The SI provides twenty-four metric prefixes that signify decimal powers ranging from 1030 to 10 30, the most recent being adopted in 2022. [1]: 143–144 [7] [8] [9] Most prefixes correspond to integer powers of 1000; the only ones that do not are those for 10, 1/10, 100, and 1/100. The conversion between different SI units for one and the ...

  7. Conversion of units - Wikipedia

    en.wikipedia.org/wiki/Conversion_of_units

    = 10 parts per million by volume = 10 ppmv = 10 volumes/10 6 volumes NO x molar mass = 46 kg/kmol = 46 g/mol Flow rate of flue gas = 20 cubic metres per minute = 20 m 3 /min The flue gas exits the furnace at 0 °C temperature and 101.325 kPa absolute pressure. The molar volume of a gas at 0 °C temperature and 101.325 kPa is 22.414 m 3 /kmol.

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  9. Unit of length - Wikipedia

    en.wikipedia.org/wiki/Unit_of_length

    Length, in meters Reference The classical electron radius r e: 2.817 940 285 (31) × 10 −15 [13] The Compton wavelength of the electron λ C: 2.426 310 215 (18) × 10 −12 [13] The reduced Compton wavelength of the electron λ C: 3.861 592 6764 (18) × 10 −13 [14] The Compton wavelength (or reduced Compton wavelength) of any fundamental ...