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The next year, a weights and measurements law codified the Japanese system, taking its fundamental units to be the shaku and kan and deriving the others from them. [4] The law codified the values of the traditional and metric units in terms of one another, [4] but retained the traditional units as the formal standard and metric values as ...
Shaku (Japanese: 尺) or Japanese foot [1] [2] is a Japanese unit of length derived (but varying) from the Chinese chi, originally based upon the distance measured by a human hand from the tip of the thumb to the tip of the forefinger [3] [a] (compare span). Traditionally, the length varied by location or use, but it is now standardized as 10/ ...
Tōdai-ji's Kon-dō's facade is 7 ken across. The ken is based on the Chinese jian.It uses the same Chinese character as the Korean kan.. A building's proportions were (and, to a certain extent, still are) measured in ken, as for example in the case of Enryaku-ji's Konponchū-dō (), which measures 11×6 bays (37.60 m × 23.92 m), of which 11×4 are dedicated to the worshipers.
The Weights and Measures Act (Japanese: 度量衡取締条例, Doryokori Shimarijorei) (Dajokan No. 135, August 5, 1875) were promulgated on August 5, 1875, and were the first weights and measures regulations in modern Japan. [1] A weights and measures certification office was established in Wakayama by 1889. [2]
The first group of metric units are those that are at present defined as units within the International System of Units (SI). In its most restrictive interpretation, this is what may be meant when the term metric unit is used. The unit one (1) is the unit of a quantity of dimension one. It is the neutral element of any system of units. [2]
As a measurement, Momme is part of a table of Japanese units where during the Edo period it was equal to 1 ⁄ 10 ryō (aka Tael). Since the Meiji era 1 momme has been reformed to equal exactly 3.75 grams in SI units. [2] The latter term for Momme refers to when it was used as a unit of currency during the Edo period in the form of silver coins.
In 1885 Japan signed the Convention du Mètre and in 1886 converted all of its traditional measures to the metric system. Masu existed in many sizes, typically covering the range from one gō (一合枡, ichigōmasu, c. 180 mL), one Shō (ja:一升桝), isshōmasu c. 1.8 L) to one to (一斗枡, ittomasu, c. 18 L).
Unit system Domain Derivation Unit name Unit symbol Dimension symbol Quantity name Definition In SI base units In other SI units SI: Physics: Basic: second [n 1] s: T: time: The duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom. s: SI ...