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15 cm = 1.5 dm — length of a Bic pen with cap on; 22 cm = 2.2 dm — diameter of a typical soccer ball; 30.48 cm = 3.048 dm — 1 foot; 30 cm = 3 dm — typical school-use ruler length (= 300 mm) 60 cm = 6 dm — standard depth (front to back) of a domestic kitchen worktop in Europe (= 600 mm)
The centimetre (SI symbol: cm) is a unit of length in the metric system equal to 10−2 metres ( 1 100 m = 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.
175.6 cm (5 ft 9 in) 161.8 cm (5 ft 3 + 1 ⁄ 2 in) 1.09: 18+ 100.0%: Measured: 2011–2012 [18] Austria: 179 cm (5 ft 10 + 1 ⁄ 2 in) 166 cm (5 ft 5 + 1 ⁄ 2 in) 1.08: 20–49: 54.3%: Measured: 2006 [19] Azerbaijan: 171.8 cm (5 ft 7 + 1 ⁄ 2 in) 165.4 cm (5 ft 5 in) 1.04: 16+ 100.0%: Measured: 2005 [20] Bahrain: 171 cm (5 ft 7 + 1 ⁄ 2 in ...
Units in everyday use by country as of 2019 The history of the metric system began during the Age of Enlightenment with measures of length and weight derived from nature, along with their decimal multiples and fractions. The system became the standard of France and Europe within half a century. Other measures with unity ratios [Note 1] were added, and the system went on to be adopted across ...
3.2808. The metre per second is the unit of both speed (a scalar quantity) and velocity (a vector quantity, which has direction and magnitude) in the International System of Units (SI), equal to the speed of a body covering a distance of one metre in a time of one second. According to the definition of metre, [1] 1 m/s is exactly of the speed ...
Coyne's World War I draft registration card, dated 29 August, gave his height as 8 ft (240 cm), although he had reached a height of 8 ft 1.7 in (2.48 m), possibly 8 feet 4 inches (254 cm) by the time of his death. 1897–1921 (23) Morocco: 246 cm: 8 ft 1 in [26] Brahim Takioullah: Possesses the world's largest feet at 38 cm (1 ft 3 in). [27]
209–231 cm (6 ft 10 in – 7 ft 7 in) (shoulder height), 1.7–2.3 t (1.9–2.5 short tons) (weight). [32] Similar to the bush species, but with smaller and more rounded ears and thinner and straighter tusks. [33] [34] West and Central Africa; equatorial forests, but occasionally gallery forests and forest/grassland ecotones. [34]
The number π (/ p aɪ /; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.The number π appears in many formulae across mathematics and physics.