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As of 2015, a systematic review of 15,521 men, who were measured by health professionals rather than themselves, concluded that the average length of an erect human penis is 13.12 cm (5.17 inches) long, while the average circumference of an erect human penis is 11.66 cm (4.59 inches). [ 2]
12 ft. Metric ( SI) units. 25.4 mm. A fire hydrant marked as 3-inch. The inch (symbol: in or ″) is a unit of length in the British Imperial and the United States customary systems of measurement. It is equal to 1 36 yard or 1 12 of a foot. Derived from the Roman uncia ("twelfth"), the word inch is also sometimes used to ...
For example, 1/2.5 converts to 2/5 as a simple fraction, or 0.4 as a decimal number. This "inch" system gives a result approximately 1.5 times the length of the diagonal of the sensor. This "inch" system gives a result approximately 1.5 times the length of the diagonal of the sensor.
Thus, a horse that measures 60 inches is 15 hands high (15 × 4 = 60) and a horse halfway between 15 and 16 hands is 15.2 hands, or 62 inches tall (15 × 4 + 2 = 62) [5] [7] Because the subdivision of a hand is a base 4 system, a horse 64 inches high is 16.0 hands high, not 15.4. [2] A designation of "15.5 hands" is not halfway between 15 and ...
According to a study in France, executives and professionals are 2.6 centimetres (1.0 in) taller, and university students are 2.55 centimetres (1.0 in) taller than the national average. [ 7] As this case shows, data taken from a particular social group may not represent a total population in some countries.
widths: 4.8 to 6.3 cm (1.9 to 2.5 in); introital diameters: 2.4 to 6.5 cm (0.94 to 2.56 in) A second study by the same group showed significant variations in size and shape between the vaginas of women of different ethnic groups.[4] Both studies showed a wide range of vaginal shapes, described by the researchers as "Parallel sided, conical ...
Human height. 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. [4] [5]
The most common form of the vinyl single is the 45 or 7-inch. The names are derived from its play speed, 45 rpm (revolutions per minute), and the standard diameter, 7 inches (17.8 cm). The 45 rpm speed was chosen to allow a 5 + 1 ⁄ 2 playing time from the 7-inch disc. [11]