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  2. Orders of magnitude (length) - Wikipedia

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

    The centimetre (SI symbol: cm) is a unit of length in the metric system equal to 10 −2 metres (⁠ 1 / 100 ⁠ m = 0.01 m). To help compare different orders of magnitude, this section lists lengths between 10 −2 m and 10 −1 m (1 cm and 1 dm). 1 cm – 10 millimeters; 1 cm – 0.39 inches; 1 cm – edge of a square of area 1 cm 2

  3. Milliradian - Wikipedia

    en.wikipedia.org/wiki/Milliradian

    In firearm optics, where 0.1 mrad per click is the most common mrad based adjustment value, another common rule of thumb is that an adjustment of ⁠ 1 / 10 ⁠ mrad changes the impact as many centimeters as there are hundreds of meters. In other words, 1 cm at 100 meters, 2.25 cm at 225 meters, 0.5 cm at 50 meters, etc. See the table below

  4. Conductivity (electrolytic) - Wikipedia

    en.wikipedia.org/wiki/Conductivity_(electrolytic)

    While this is an error, it can often be assumed to be equal to the traditional μS/cm. Often, by typographic limitations μS/cm is expressed as uS/cm. The conversion of conductivity (in μS/cm) to the total dissolved solids (in mg/kg) depends on the chemical composition of the sample and can vary between 0.54 and 0.96.

  5. Gauss (unit) - Wikipedia

    en.wikipedia.org/wiki/Gauss_(unit)

    The conversion factor is 10 8 maxwell per weber, since flux is the integral of field over an area, area having the units of the square of distance, thus 10 4 G/T (magnetic field conversion factor) times the square of 10 2 cm/m (linear distance conversion factor). 10 8 Mx/Wb = 10 4 G/T × (10 2 cm/m) 2.

  6. Decimal degrees - Wikipedia

    en.wikipedia.org/wiki/Decimal_degrees

    111 m: 102 m: 78.7 m: 43.5 m 4 0.0001: 0° 00′ 0.36″ individual street, large buildings: 11.1 m: 10.2 m: 7.87 m: 4.35 m 5 0.00001: 0° 00′ 0.036″ individual trees, houses: 1.11 m: 1.02 m: 0.787 m: 0.435 m 6 0.000001: 0° 00′ 0.0036″ individual humans: 111 mm: 102 mm: 78.7 mm: 43.5 mm 7 0.0000001: 0° 00′ 0.00036″ practical limit ...

  7. Human height - Wikipedia

    en.wikipedia.org/wiki/Human_height

    Height measurement using a stadiometer. Human height or stature is the distance from the bottom of the feet to the top of the head in a human body, standing erect.It is measured using a stadiometer, [1] in centimetres when using the metric system or SI system, [2] [3] or feet and inches when using United States customary units or the imperial system.

  8. ISO metric screw thread - Wikipedia

    en.wikipedia.org/wiki/ISO_metric_screw_thread

    A metric ISO screw thread is designated by the letter M followed by the value of the nominal diameter D (the maximum thread diameter) and the pitch P, both expressed in millimetres and separated by a dash or sometimes the multiplication sign, × (e.g. M8-1.25 or M8×1.25). If the pitch is the normally used "coarse" pitch listed in ISO 261 or ...

  9. ∆ - Wikipedia

    en.wikipedia.org/wiki/%E2%88%86

    ∆ may refer to: . Triangle (∆), one of the basic shapes in geometry. Many different mathematical equations include the use of the triangle.; Delta (letter) (Δ), a Greek letter also used in mathematics and computer science