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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. 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 ...

  4. List of conversion factors - Wikipedia

    en.wikipedia.org/wiki/List_of_conversion_factors

    A number of different units (some only of historical interest) are shown and expressed in terms of the corresponding SI unit. Conversions between units in the metric system are defined by their prefixes (for example, 1 kilogram = 1000 grams, 1 milligram = 0.001 grams) and are thus not listed in this article.

  5. Metric system - Wikipedia

    en.wikipedia.org/wiki/Metric_system

    It is 5,280 feet – which is hard to remember for many. [ 5 ] : 17 In the early days, multipliers that were positive powers of ten were given Greek-derived prefixes such as kilo- and mega- , and those that were negative powers of ten were given Latin-derived prefixes such as centi- and milli- .

  6. Centimetre - Wikipedia

    en.wikipedia.org/wiki/Centimetre

    Different lengths as in respect to the electromagnetic spectrum, measured by the metre and its derived scales.The microwave is in-between 1 meter to 1 millimeter.. 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]

  7. Langley Covered Bridge - Wikipedia

    en.wikipedia.org/wiki/Langley_Covered_Bridge

    They measure 19 feet (5.8 m) wide by 16 feet (4.9 m) high. The original bridge's planking and decking rests on 40 beams that measure 8 inches (20 cm) by 12 inches (30 cm) by 19 feet (5.8 m) long. [3] It is estimated on average that 1,700 vehicles a day use the bridge.

  8. Pace (unit) - Wikipedia

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

    The double pace (βῆμα διπλοῦν, bḗma diploûn), meanwhile, was similar to the Roman unit, comprising 5 Greek feet. The Welsh pace ( Welsh : cam ) was reckoned as 3 Welsh feet of 9 inches and thus may be seen as similar to the English yard: 3 paces made up a leap and 9000 a Welsh mile .

  9. Guide number - Wikipedia

    en.wikipedia.org/wiki/Guide_number

    Guide numbers may be expressed in either of these units of measure: f‑number⋅meters or f‑numberfeet. Throughout most of the world where the metric system ( SI ) is observed, guide numbers are expressed as a unitless numeric value like 34 , even though they are technically a composite unit of measure that is a two- factor product : f ...