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Mean width: at the proximal vagina: 3.3 cm (1.3 in); at the pelvic diaphragm: 2.7 cm (1.1 in); at the introitus: 2.6 cm (1.0 in) A 2006 U.S. study of vagina sizes using Magnetic Resonance Imaging (MRI) on 28 volunteers between 18 and 39 years old, with heights ranging from 1.5 to 1.7 metres (4 ft 11 in to 5 ft 7 in), and weights between 49.9 ...
[4] [5] In some countries, such as Australia, New Zealand, Burma, India, Malaysia, and South Africa, breast height diameter has historically been measured at a height of 1.4 m (4 ft 7 in), but because of much active research into allometrics that are being applied to trees and forests, the convention of 1.3 m (4.3 ft) is more appropriate.
1:43 scale. 1:43 scale is a popular size of die-cast model cars in Europe, Asia and the US. It has its origins in the British / European O scale for model trains and the rise of certain accessories made for that scale which since have become popular in their own right. Models in this scale are 10–13 cm length (3.93–5.11 inches).
1:480. 0.635 mm. Model railways (T) T scale, using 3 mm gauge track to represent standard gauge railways. 1:450. 0.677 mm. Model railways (T) T scale, using 3 mm gauge track to represent 3 ft 6 in (1,067 mm) gauge railways. Hasegawa also produces plastic ship models in this scale.
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:
The centimetre (SI symbol: cm) is a unit of length in the metric system equal to 10−2 metres (100m = 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 millimetres. 1 cm – 0.39 inches. 1 cm – edge of a square of area 1 cm 2.
As of 2015, a systematic review of 20 studies, of up to 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 in), while the average circumference of an erect human penis is 11.66 cm (4.59 in). [2] A 1996 study of flaccid length found a mean of 8 ...
Medium-format cameras typically have format designated by nominal sizes in centimeters (6×6, 6×7, 6×9, 6×4.5), but these numbers should not be interpreted as exact in computing aspect ratios. For example, the usable height of 120-format roll film is 56mm, so a width of 70mm (as in 6×7) yields an aspect ratio of 4:5 — ideal for enlarging ...