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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]
Below are two tables which report the average adult human height by country or geographical region. With regard to the first table, original studies and sources should be consulted for details on methodology and the exact populations measured, surveyed, or considered. With regard to the second table, these estimated figures for adult human height for said countries and territories in 2019 and ...
30.48 cm. 304.8 mm. The foot (standard symbol: ft) [1] [2] is a unit of length in the British imperial and United States customary systems of measurement. The prime symbol, ′, is commonly used to represent the foot. [3] In both customary and imperial units, one foot comprises 12 inches, and one yard comprises three feet.
The last is typically longer than the foot heel to toe length by 4⁄3 cm (13.33 mm) to 5⁄3 cm (16.67 mm), or 2 to 21⁄2 Paris points, so to determine the shoe size based on actual foot length one must add 2 Paris points.
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 translate similar ...
The template is intended for conversion of heights specified in either feet and inches, or metric units (centimetres or metres). Metric units are converted to feet and inches, and feet and inches are converted to metres, or optionally to centimetres.
Robert Wadlow, the tallest verified human, with his average-size father. This is a list of the tallest people, verified by Guinness World Recordsor other reliable sources. According to the Guinness World Records, the tallest human in recorded historywas Robert Wadlowof the United States (1918–1940), who was 272 cm (8 ft 11 in).
Though for many physical quantities, SI prefixes for factors of 10 3 —like milli- and kilo- —are often preferred by technicians, the centimetre remains a practical unit of length for many everyday measurements; for instance, human height is commonly measured in centimetres. [2] [3] A centimetre is approximately the width of the fingernail of an average adult person.