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  2. 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).

  3. 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 ...

  4. Template:Convert/list of units/length - Wikipedia

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

    Length; system unit code (other) symbol or abbrev. notes conversion factor/m combinations SI: gigametre: Gm Gm US spelling: gigameter 1.0 Gm (620,000 mi) megametre: Mm Mm US spelling: megameter

  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. 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 ...

  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. Units of measurement in transportation - Wikipedia

    en.wikipedia.org/wiki/Units_of_measurement_in...

    kilometre (km) or kilometer is a metric unit used, outside the US, to measure the length of a journey; the international statute mile (mi) is used in the US; 1 mi = 1.609344 km; nautical mile is rarely used to derive units of transportation quantity.