最終更新日:2023/07/13
Afterward, the metric system was introduced into Japan for convenience in conversion among units, and in 1891, the Weights and Measures Act set 1 kan at 3.75 kilograms, so 1 ryo became equal to 37.5 grams.
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Afterward, the metric system was introduced into Japan for convenience in conversion among units, and in 1891, the Weights and Measures Act set 1 kan at 3.75 kilograms, so 1 ryo became equal to 37.5 grams.