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  2. Grade (slope) - Wikipedia

    en.wikipedia.org/wiki/Grade_(slope)

    as a percentage, the formula for which is which is equivalent to the tangent of the angle of inclination times 100. In Europe and the U.S. percentage "grade" is the most commonly used figure for describing slopes.

  3. Yard - Wikipedia

    en.wikipedia.org/wiki/Yard

    The quarter of a yard (9 inches) was known as the "quarter" without further qualification, while the sixteenth of a yard (2.25 inches) was called a nail. [62] The eighth of a yard (4.5 inches) was sometimes called a finger, [63] but was more commonly referred to simply as an eighth of a yard, while the half-yard (18 inches) was called "half a ...

  4. Measurement of land in Punjab - Wikipedia

    en.wikipedia.org/wiki/Measurement_of_land_in_Punjab

    1 Yard or Gaj = 36 Inch = 0.91 Metre = 3 feet; 1 Sq Yard = 9 Sq Feet; To convert Sq feet to Sq Yard = Divide by 9; 1 Marla is 25 Sq metres (272.25 sq feet) [5] 1 Kanal is 605 sq Yard (5445 sq feet) 1 Acre is 4840 Sq Yard

  5. Tree volume measurement - Wikipedia

    en.wikipedia.org/wiki/Tree_volume_measurement

    The value 75.4 = 24 π, where 24 π substitutes for factor of 12 π in the formula for a volume of frustum of a cone encompassing a full tree using one base circumference, converting it to a volume formula that uses a basal circumference that is the average of circumferences C 1 and C 2.

  6. Grain (unit) - Wikipedia

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

    Expressions such as "thirty-two grains of wheat, taken from the middle of the ear" appear to have been ritualistic formulas. [ 1 ] : 27 [ 2 ] Another source states that it was defined such that 252.458 units would balance 1 cubic inch (16 cm 3 ) of distilled water at an ambient air-water pressure and temperature of 30 inches of mercury (100 kPa ...

  7. Coke (fuel) - Wikipedia

    en.wikipedia.org/wiki/Coke_(fuel)

    Raw coke. Coke is a grey, hard, and porous coal-based fuel with a high carbon content. It is made by heating coal or petroleum in the absence of air. Coke is an important industrial product, used mainly in iron ore smelting, but also as a fuel in stoves and forges.

  8. Inch per second - Wikipedia

    en.wikipedia.org/wiki/Inch_per_second

    The inch per second is a unit of speed or velocity. It expresses the distance in inches (in) traveled or displaced, divided by time in seconds (s, or sec). The equivalent SI unit is the metre per second. [1] Abbreviations include in/s, [1] in/sec, ips, [1] and less frequently in s −1.

  9. Circular error probable - Wikipedia

    en.wikipedia.org/wiki/Circular_error_probable

    We can then derive a conversion table to convert values expressed for one percentile level, to another. [ 5 ] [ 6 ] Said conversion table, giving the coefficients α {\displaystyle \alpha } to convert X {\displaystyle X} into Y = α .