Japanese ri = 3926.79936 meter
Try converting from "ri" to actus (Roman actus), archin (Russian archin), arpentlin, barleycorn, Biblical cubit, chain (surveyors chain), earth to moon (mean distance earth to moon), engineers chain, foot, Greek cubit, line, m (meter), nautical league, nautical mile, pace, parsec, Roman foot, rope, sazhen (Russian sazhen), soccer field, or any combination of units which equate to "length" and represent depth, fl head, height, length, wavelength, or width.
ri = 2,164,377.6 agate (typography agate), 39,267,993,600,000 angstrom, 67.16 arpentlin, 2.62E-08 astronomical unit, 107.36 bolt (of cloth), 195.2 chain (surveyors chain), 42.94 city block (informal), 34,355.2 cloth finger, 211,778.63 digitus (Roman digitus), 128.83 engineers chain, 2,147.2 fathom, 5,301.73 gradus (Roman gradus), 2,121.27 Greek fathom, 1,853.7 ken (Japanese ken), .81333333 league, 19,520 link (surveyors link), 68,710.4 nail (cloth nail), 51,532.8 palm, .69714286 parasang, 13,267.97 Roman foot.
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