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  2. Orders of magnitude (length) - Wikipedia

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

    1 cm – 0.39 inches; 1 cm – edge of a square of area 1 cm 2; 1 cm – edge of a cube of volume 1 mL; 1 cm – length of a coffee bean; 1 cm – approximate width of average fingernail; 1.2 cm – length of a bee; 1.2 cm – diameter of a die; 1.5 cm – length of a very large mosquito; 1.6 cm – length of a Jaragua Sphaero, a very small reptile

  3. Square foot - Wikipedia

    en.wikipedia.org/wiki/Square_foot

    Comparison of 1 square foot with some Imperial and metric units of area. The square foot (pl. square feet; abbreviated sq ft, sf, or ft 2; also denoted by ' 2 and ⏍) is an imperial unit and U.S. customary unit (non-SI, non-metric) of area, used mainly in the United States, Canada, the United Kingdom, Bangladesh, India, Nepal, Pakistan, Ghana, Liberia, Malaysia, Myanmar, Singapore and Hong Kong.

  4. Reciprocal length - Wikipedia

    en.wikipedia.org/wiki/Reciprocal_length

    Spatial frequency is a reciprocal length, which can thus be used as a measure of energy, usually of a particle. For example, the reciprocal centimetre, cm1, is an energy unit equal to the energy of a photon with a wavelength of 1 cm. That energy amounts to approximately 1.24 × 10 −4 eV or 1.986 × 10 −23 J.

  5. Area - Wikipedia

    en.wikipedia.org/wiki/Area

    1 square yard = 9 square feet; 1 square mile = 3,097,600 square yards = 27,878,400 square feet; In addition, conversion factors include: 1 square inch = 6.4516 square centimetres; 1 square foot = 0.092 903 04 square metres; 1 square yard = 0.836 127 36 square metres; 1 square mile = 2.589 988 110 336 square kilometres

  6. Orders of magnitude (area) - Wikipedia

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

    List of orders of magnitude for areas 10 −8 to 10 −1 square metres; Factor (m 2) Multiple Value ... 1 square centimetre (cm 2) 290 mm 2: Area of one side of a U.S ...

  7. Tamil units of measurement - Wikipedia

    en.wikipedia.org/wiki/Tamil_units_of_measurement

    The Tamil units of measurement is a system of measurements that was traditionally used in ancient Tamil-speaking parts of South India.. These ancient measurement systems spanned systems of counting, distances, volumes, time, weight as well as tools used to do so.

  8. Chinese units of measurement - Wikipedia

    en.wikipedia.org/wiki/Chinese_units_of_measurement

    Table of Chinese square units effective in 1930 [3] Pinyin Character Relative value Metric value Imperial value Notes fāng cùn: 方寸: 1 ⁄ 100: 11 + 1 ⁄ 9 cm 2: 1.722 sq in square cun fāng chǐ: 方尺: 1 1 ⁄ 9 m 2: 172.2 sq in 1.196 sq ft square chi fāng zhàng: 方丈: 100 11 + 1 ⁄ 9 m 2: 119.6 sq ft 13.29 sq yd square zhang

  9. 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]