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  2. Orders of magnitude (length) - Wikipedia

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

    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).

  3. Human height - Wikipedia

    en.wikipedia.org/wiki/Human_height

    Height measurement using a stadiometer. 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. LogMAR chart - Wikipedia

    en.wikipedia.org/wiki/LogMAR_chart

    The chart was designed by Ian Bailey [5] and Jan E. Lovie-Kitchin at the National Vision Research Institute of Australia. [1] [3] They described their motivation for designing the LogMAR chart as follows: "We have designed a series of near vision charts in which the typeface, size progression, size range, number of words per row and spacings were chosen in an endeavour to achieve a ...

  5. Average human height by country - Wikipedia

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

    Conscripts, 19 (N= m:12,447, Median= m:178.0 cm (5 ft 10 in), SD= m:6.52 cm (2.6 in)) 1.5%: Measured: 2009 [190] Switzerland: 175.4 cm (5 ft 9 in) 164 cm (5 ft 4 + 1 ⁄ 2 in) 1.07: 20–74: 88.8%: Self-reported: 1987–1994 [188] Taiwan: 171.4 cm (5 ft 7 + 1 ⁄ 2 in) 159.9 cm (5 ft 3 in) 1.07: 17 (N= m:200 f:200) 0.0%: Measured: 2011 [191 ...

  6. Logarithmic scale - Wikipedia

    en.wikipedia.org/wiki/Logarithmic_scale

    Particle size distribution curves of soil; Map of the Solar System and the distance to Proxima Centauri, using a logarithmic scale and measured in astronomical units. The following are examples of commonly used logarithmic scales, where a larger quantity results in a lower (or negative) value: pH for acidity; Stellar magnitude scale for ...

  7. Angular diameter - Wikipedia

    en.wikipedia.org/wiki/Angular_diameter

    The angular diameter, angular size, apparent diameter, or apparent size is an angular separation (in units of angle) describing how large a sphere or circle appears from a given point of view. In the vision sciences , it is called the visual angle , and in optics , it is the angular aperture (of a lens ).

  8. Brain size - Wikipedia

    en.wikipedia.org/wiki/Brain_size

    Cranial capacity is a measure of the volume of the interior of the skull of those vertebrates who have a brain. The most commonly used unit of measure is the cubic centimetre (cm 3). The volume of the cranium is used as a rough indicator of the size of the brain, and this in turn is used as a rough indicator of the potential intelligence of the ...

  9. Maltese units of measurement - Wikipedia

    en.wikipedia.org/wiki/Maltese_units_of_measurement

    ~2.183 cm ~0.8594 in The Maltese inch. Exactly 55 ⁄ 64 imperial inches. fitel: iftla 1 ⁄ 2 ~13.1 cm ~5.156 in This unit is not in the 1921 act. xiber: xbar 1 ~26.19 cm ~10.31 in The Maltese hand span, equivalent to the foot. Exactly 10 + 5 ⁄ 16 imperial inches. qasba: qasab, qasbiet 8 ~2.096 m ~2.292 yd