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  2. Rai, ngan, and tarang wa - Wikipedia

    en.wikipedia.org/wiki/Rai,_ngan,_and_tarang_wa

    The tarang wa (square wa, tarang meaning 'grid') is derived from the area of a square with sides of 1 wa (the Thai fathom). One ngan ('work') is equal to 100 square wa, and one rai ('field' or 'plantation') equals 4 ngan or 1 square sen. [1] The units were standardized in square metres when Thailand (then Siam) adopted the metric system in 1923 ...

  3. Taiwanese units of measurement - Wikipedia

    en.wikipedia.org/wiki/Taiwanese_units_of_measurement

    100 / 33 ⁠ m. 3.030 m. 125,000 / 37,719 ⁠ yd. 9 ft 11.3 in. Taiwanese fathom; Same as Japanese Jō. Taiwanese length units and the translation of length units in metric system (SI) shares the same character. The adjective Taiwanese (台) can be added to address the Taiwanese unis system. For example, 台尺 means Taiwanese foot and 公尺 ...

  4. Square metre - Wikipedia

    en.wikipedia.org/wiki/Square_metre

    Square metre. The square metre (international spelling as used by the International Bureau of Weights and Measures) or square meter (American spelling) is the unit of area in the International System of Units (SI) with symbol m2. [1] It is the area of a square with sides one metre in length. Adding and subtracting SI prefixes creates multiples ...

  5. List of conversion factors - Wikipedia

    en.wikipedia.org/wiki/List_of_conversion_factors

    sievert (SI unit) Sv. ≡ 1 J/kg [44] = 1 Sv = 1 J/kg = 1 m 2 ⋅s 2. Although the definitions for sievert (Sv) and gray (Gy) would seem to indicate that they measure the same quantities, this is not the case. The effect of receiving a certain dose of radiation (given as Gy) is variable and depends on many factors, thus a new unit was needed to ...

  6. Pyeong - Wikipedia

    en.wikipedia.org/wiki/Pyeong

    In Korea, the period of Japanese occupation produced a pyeong of ⁠ 400 / 121 ⁠ or 3.3058 m 2.It is the standard traditional measure for real estate floorspace, with an average house reckoned as about 25 pyeong, a studio apartment as 8–12 py, and a garret as 1½ py.

  7. 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 and partially in Canada, the United Kingdom, Bangladesh, India, Nepal, Pakistan, Ghana, Liberia, Malaysia, Myanmar ...

  8. Square (unit) - Wikipedia

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

    square metre. 9.29030. The square is an Imperial unit of area that is used in the construction industry in the United States and Canada, [1] and was historically used in Australia. One square is equal to 100 square feet. Examples where the unit is used are roofing shingles, metal roofing, vinyl siding, and fibercement siding products.

  9. Korean units of measurement - Wikipedia

    en.wikipedia.org/wiki/Korean_units_of_measurement

    Korean units of measurement, called cheokgwan-beop (Korean: 척관법; Hanja: 尺貫法) or cheokgeun-beop (척근법; 尺斤法) in Korean, is the traditional system of measurement used by the people of the Korean peninsula. It is largely based on the Chinese system, with influence from Japanese standards imposed following its annexation of ...