Japanese ri = 3926.79936 meter (length)
Try converting from "ri" to archin (Russian archin), barleycorn, bottom measure, cable length, caliber (gun barrel caliber), cloth quarter, digitus (Roman digitus), earth to moon (mean distance earth to moon), ell, en (typography en), French, furlong (surveyors furlong), Greek span, Israeli cubit, link (surveyors link), marathon, naval shot, palm, skein, soccer field, or any combination of units which equate to "length" and represent depth, fl head, height, length, wavelength, or width.
ri = 67.16 arpentlin, 463,795.2 barleycorn, 6,183,936 bottom measure, 42.94 city block (informal), 34,355.2 cloth finger, 17,177.6 cloth quarter, 211,778.63 digitus (Roman digitus), 2,147.2 fathom, 11,780,398.08 French, 50,910.56 Greek palm, 7,091.67 Israeli cubit, 4.15E-13 light yr (light year), .70676734 nautical league, .69714286 parasang, 1.27E-13 parsec, 927,590.4 pica (typography pica), 2.65 Roman mile, 42.94 soccer field, 21.21 stadia (Greek stadia), 4,294.4 yard.
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