Japanese ri = 3926.79936 length (length)
Try converting from "ri" to actus (Roman actus), barleycorn, bottom measure, cable length, city block (informal), cloth quarter, digitus (Roman digitus), engineers chain, fathom, fermi, Greek palm, Greek span, hand, light yr (light year), m (meter), micron, nautical league, naval shot, palm, stadium (Roman stadium), or any combination of units which equate to "length" and represent depth, fl head, height, length, wavelength, or width.
ri = 110.68 actus (Roman actus), 39,267,993,600,000 angstrom, 67.16 arpentlin, 17,177.6 cloth quarter, 3,435.52 ell, 22,345,652.96 en (typography en), 2,147.2 fathom, 3.93E+18 fermi, 12,883.2 foot, 19.52 furlong (surveyors furlong), 5,301.73 gradus (Roman gradus), 50,910.56 Greek palm, .81333333 league, .09306317 marathon, 68,710.4 nail (cloth nail), 5,153.28 pace, 1.27E-13 parsec, .29822222 spindle, 21.21 stadia (Greek stadia), 129,587.93 sun (Japanese sun).
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