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  2. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    An adult human foot is about 28 cm (11 in) long. The decimetre ( SI symbol: dm ) is a unit of length in the metric system equal to 10 −1 metres ( ⁠ 1 / 10 ⁠ m = 0.1 m ). To help compare different orders of magnitude , this section lists lengths between 10 centimeters and 100 centimeters (10 −1 meter and 1 meter).

  3. Foot (unit) - Wikipedia

    en.wikipedia.org/wiki/Foot_(unit)

    The foot of an adult European-American male is typically about 15.3% of his height, [10] giving a person of 175 cm (5 ft 9 in) a foot-length of about 268 mm (10.6 in), on average. Archaeologists believe that, in the past, the people of Egypt, India, and Mesopotamia preferred the cubit, while the people of Rome, Greece, and China preferred the foot

  4. Inch - Wikipedia

    en.wikipedia.org/wiki/Inch

    For example; three feet, two inches can be written as 3 ′ 2″. ... 2.54 centimeters (1 inch is exactly 2.54 cm) 25.4 millimetres (1 inch is exactly 25.4 mm)

  5. Average human height by country - Wikipedia

    en.wikipedia.org/wiki/Average_human_height_by...

    16–60 (N= m:583 f:315, SD= m:6.0 cm (2.4 in) f:9.4 cm (3.7 in)) — Measured: 2000 [120] Maldives: 164.7 cm (5 ft 5 in) 153 cm (5 ft 0 in) 1.08: 15–64 (N= m:661 f:1,103) 94.2%: Measured: 2011 [121] Mali – Southern Mali: 171.3 cm (5 ft 7 + 1 ⁄ 2 in) 160.4 cm (5 ft 3 in) 1.07: Rural adults (N= m:121 f:320, SD= m:6.6 cm (2.6 in) f:5.7 cm ...

  6. Metre - Wikipedia

    en.wikipedia.org/wiki/Metre

    The metre (or meter in US spelling; symbol: m) is the base unit of length in the International System of Units (SI). Since 2019, the metre has been defined as the length of the path travelled by light in vacuum during a time interval of ⁠ 1 / 299 792 458 ⁠ of a second, where the second is defined by a hyperfine transition frequency of caesium.

  7. Orders of magnitude (volume) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(volume)

    One acre-foot: 2.5 × 10 3: Volume of an Olympic size swimming pool of minimal depth (50 m × 25 m × 2 m). 3.054 × 10 3: Volume of each of the nine spheres of the Atomium in Brussels 1.13 × 10 4: Gas volume in the first zeppelin LZ 1: 1.1866 × 10 4: Amount of concrete in Trbovlje Chimney: 1.56 × 10 4: Quebec's 2001 output of maple syrup: 5 ...

  8. Zhàng - Wikipedia

    en.wikipedia.org/wiki/Zhàng

    The zhang (Chinese: 丈) is a customary Chinese unit of length equal to 10 chi (Chinese feet). [1] [2] Its value varied over time and place with different values of the chi, although it was occasionally standardized. In 1915, the Republic of China set it equal to about 3.2 meters or 3.50 yards.

  9. Chinese units of measurement - Wikipedia

    en.wikipedia.org/wiki/Chinese_units_of_measurement

    3 + 1 ⁄ 3 cm 1.312 in Chinese inch chǐ: 市尺: 1 33 + 1 ⁄ 3 cm 13.12 in Chinese foot zhàng: 市丈: 10 3 + 1 ⁄ 3 m 3.645 yd Chinese yard yǐn: 引: 100 33 + 1 ⁄ 3 m 36.45 yd Chinese chain lǐ: 市里: 1500 500 m 546.8 yd Chinese mile, this li is not the small li above, which has a different character and tone