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  2. Minute and second of arc - Wikipedia

    en.wikipedia.org/wiki/Minute_and_second_of_arc

    Conversion of various sight adjustment increment ... 0.36 cm 0.144 in 0.131 in ... 0.1 mrad equals exactly 1 cm at 100 m, or exactly 0.36 inches at 100 yards ...

  3. Milliradian - Wikipedia

    en.wikipedia.org/wiki/Milliradian

    A common adjustment value in firearm sights is 1 cm at 100 meters which equals ⁠ 10 mm / 100 m ⁠ = ⁠ 1 / 10 ⁠ mrad. The true definition of a milliradian is based on a unit circle with a radius of one and an arc divided into 1,000 mrad per radian, hence 2,000 π or approximately 6,283.185 milliradians in one turn , and rifle scope ...

  4. Turn (angle) - Wikipedia

    en.wikipedia.org/wiki/Turn_(angle)

    Using metric prefixes, the turn can be divided in 100 centiturns or 1000 milliturns, with each milliturn corresponding to an angle of 0.36°, which can also be written as 21′ 36″. [ 16 ] [ 17 ] A protractor divided in centiturns is normally called a " percentage protractor".

  5. Decimal degrees - Wikipedia

    en.wikipedia.org/wiki/Decimal_degrees

    Decimal degrees (DD) is a notation for expressing latitude and longitude geographic coordinates as decimal fractions of a degree.DD are used in many geographic information systems (GIS), web mapping applications such as OpenStreetMap, and GPS devices.

  6. United States customary units - Wikipedia

    en.wikipedia.org/wiki/United_States_customary_units

    Thickness of leather is measured in ounces, 1 oz equals 1 ⁄ 64 inch (0.40 mm). [29] Bolts and screws follow the Unified Thread Standard rather than the ISO metric screw thread standard. Knitting needles in the United States are measured according to a non-linear unitless numerical system.

  7. Bond credit rating - Wikipedia

    en.wikipedia.org/wiki/Bond_credit_rating

    The credit rating is a financial indicator to potential investors of debt securities such as bonds.These are assigned by credit rating agencies such as Moody's, Standard & Poor's, and Fitch, which publish code designations (such as AAA, B, CC) to express their assessment of the risk quality of a bond.

  8. Egyptian units of measurement - Wikipedia

    en.wikipedia.org/wiki/Egyptian_units_of_measurement

    A number of units were used to measure length. One derah baladi was equal to 0.58 m and one kassabah was equal to 3.55 m, according to the metric equivalences defined in 1891. [1] [2] Some other units according to the metric equivalences defined in 1891 are given below: [1] [2] [3] 1 kirat = 1 ⁄ 24 dirra 1 abdat = 1 ⁄ 6 dirra 1 kadam = 1 ...

  9. Orbital period - Wikipedia

    en.wikipedia.org/wiki/Orbital_period

    For instance, a small body in circular orbit 10.5 cm above the surface of a sphere of tungsten half a metre in radius would travel at slightly more than 1 mm/s, completing an orbit every hour. If the same sphere were made of lead the small body would need to orbit just 6.7 mm above the surface for sustaining the same orbital period.