Traditional Japanese units of measurement or the shakkanhō is the traditional system of measurement used by the people of the Japanese archipelago. It is largely based on the Chinese system, which spr
A man playing the shakuhachi flute, named after its traditional length of 1 shaku and 8 sun (54.5 cm)
Area floored with 8 tatami mats (4 tsubo, or 8 jō)
A wooden masu sake cup (1 gō) for celebrations
A set of ten traditional Japanese fundō weights, used by money changers to weigh coinage. Top row from left are 30 ryō (1124.66 g), 20 ryō (749.07 g) and 10 ryō (374.62 g, twice), bottom row from left are 3 momme (11.19 g), 1 ryō (37.47 g, twice), 2 ryō (74.89 g), 3 ryō (112.42 g) and 4 ryō (149.77 g). All metric weights actual, not rounded.
Metrication
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Metrication or metrification is the act or process of converting to the metric system of measurement. All over the world, countries have transitioned from local and traditional units of measurement to
National Convention decree of April 1795 establishing the metric system
Conversion table in an 1848 German schoolbook showing the metric equivalent of the foot in use in over two dozen countries, including several German states
Johann Jacob Baeyer, founder of the Europäische Gradmessung
Stone marking the Austro-Hungarian/Italian border at Pontebba displaying myriametres (10 km), a unit used in Central Europe in the 19th century