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A 1996 study of flaccid length found a mean of 8.8 cm (3.5 in) when measured by staff. [3] Flaccid penis length can sometimes be a poor predictor of erect length. An adult penis that is abnormally small but otherwise normally formed is referred to in medicine as a micropenis, with the cutoff usually being defined as around 3 inches (7.6 cm).
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] In the early ...
A centimetre or centimeter (US/Philippine spelling), with SI symbol cm, is a unit of length in the International System of Units (SI) equal to one hundredth of a metre, centi being the SI prefix for a factor of 1 100 . [1] Equivalently, there are 100 centimetres in 1 metre. The centimetre was the base unit of length in the now deprecated ...
A child's size zero is equivalent to 4 inches (a hand = 12 barleycorns = 10.16 cm), and the sizes go up to size 13 + 1 ⁄ 2 (measuring 25 + 1 ⁄ 2 barleycorns, or 8 + 1 ⁄ 2 inches (21.59 cm)). Thus, the calculation for a children's shoe size in the UK is:
lengths (measured using rods): 6.9 to 14.8 cm (2.7 to 5.8 in); 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 ...
1 / 36 yd or 1 / 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 ...
173 cm: 8 in 20 cm 1860: Abraham Lincoln: 6 ft 4 in 193 cm: Stephen A. Douglas [71] John C. Breckinridge [72] 5 ft 4 in 6 ft 2 in: 163 cm 188 cm: 12 in 2 in: 30 cm 5 cm 1856: James Buchanan: 6 ft 0 in 183 cm: Millard Fillmore John C. Frémont [73] 5 ft 9 in 5 ft 9 in: 175 cm 175 cm: 3 in 3 in: 8 cm 8 cm 1852: Franklin Pierce: 5 ft 10 in 178 cm ...
2 cm — approximate width of an adult human finger; 2.54 cm — 1 inch; 3.1 cm — 1 attoparsec (10 −18 parsecs) 3.5 cm — width of film commonly used in motion pictures and still photography; 4.3 cm — minimum diameter of a golf ball [32] 7.3-7.5 cm — diameter of a baseball [33] 8.6 cm × 5.4 cm — dimensions of a typical credit card [34]