Convert league [ancient Celtic] to another unit

Convert league [ancient Celtic] to  

Convert league [ancient Celtic] to agate [typographical] alen [Danish] alen [Scandinavia] alen [Swedish] angstrom arms-length arpent [Canada] arpent [France] arsheen [Russia] arshin [iran] arshin [iraq] astronomical unit attometre bamboo barleycorn bee space bicron block [East U.S.] block [Midwest U.S.] block [South, West U.S.] bohr braccio [Italy] braza [Argentina] braza [Spain] braza [Texas] button measure cable [British] cable [U.S.] caliber canna cape foot cape inch cape rood centimetre ch'ih [China] chain [Gunter, survey] chain [Ramsden, engineer] chinese foot chinese inch chinese mile chinese yard city block [East U.S.] city block [Midwest U.S.] city block [South, West U.S.] click [U.S. military] cuadra cuadra [Argentina] cubit [Egyptian] cubit [English] cubit [Roman] cubit [Royal Egyptian] cuerda decimetre dekametre didot point digit diraa [Egypt] dong [Vietnam] douzième [print] douzième [watchmaking] dra [Iraq] dra [Russia] el [Dutch] ell [English] ell [Scotland] elle [Germany] elle [Vienna] em estadio [Portugal] estadio [Spain] exametre faden [Austria] faden [Switzerland] fall [English] fall [Scotland] fathom fathom [ancient] faust [Hungary] femtometre fermi finger fingerbreadth fist fod foot foot [Egypt] foot [France] foot [iraq] foot [Netherlands] foot [pre-1963 Canada] foot [Rome] foot [survey] football field [U.S.] football field [U.S., complete] football field [Canada] furlong [international] furlong [survey] fuss [German] gigametre gigaparsec gnat's eye goad gry hair's breadth hand [non-equine] handbreadth hat [Cambodia] hectometre heer hubble hvat [Croatia] inch ken [Japan] kerat kilofoot kilometre kiloparsec kiloyard kind klafter [Austria] klafter [Switzerland] klick kyu lap [competition] lap [old] lap [olympic pool] league [US statute] league [nautical] league [UK nautical] league [UK] leap legoa legua legua [Spanish, post-1568] legua [Spanish, pre-1568] legua [Texas] li [ancient China] li [imperial China] li [modern China] lieue [France, metric] lieue [France, nautical] lieue [France] light year ligne [France] ligne [Swiss] line line [small] link [Gunter, survey] link [Ramden, engineer] lug lug [great] marathon mark twain megametre megaparsec meile [Austria] meile [geographische] meile [North Germany] metre metric mile metric mile [high school] microinch micrometre micromicron micron miglio miil (mijl) [Danish] miil (mijl) [Denmark] miil (mijl) [Sweden, ancient] mil mil [Sweden] mile mile [Britain, ancient] mile [international] mile [Irish] mile [nautical, international] mile [nautical, US] mile [nautical, UK] mile [Roman, ancient] mile [Scottish] mile [statute] milha [Portuguese] military pace military pace [double time] milla [Spanish] mille [French] milliare [Rome] millimetre millimicron mkono [Africa] moot [India] myriametre nail nanometre nanon pace [great] pace [Roman] palm [Britain, Roman minor] palm [Dutch] palm [US, Roman major] palmo [Portuguese] palmo [Spanish] palmo [Texas] parasang Paris foot parsec pe [Portuguese] pearl perch perch [Ireland] pertica pes petametre pica picometre pie [Argentina] pie [Italian] pie [Spanish] pie [Texas] pied de roi pik pike [Greece] point [Adobe] point [Britain, US] point [Didot] point [TeX] pole polegada [Portuguese] pouce pu [China] pulgada pygme [Greece] Q quadrant quarter quarter [cloth] quarter [print] range reed [Israel] ri [Japan] ridge river [Egypt] rod [international] rod [survey] roede rood rope royal foot rute [Germany] sadzhen sagene Scots foot Scots mile seemeile shackle shaftment shaftment [ancient] shaku siriometre smoot span spat stadium step stick story stride [great] stride [Roman] t'sun tenthmetre terametre thou toise township tu twain twip U vara [California] vara [Mexico] vara [Portuguese] vara [South America] vara [Spanish] vara [Texas] verge vershok verst wah [Thailand] werst X unit yard yoctometre yottametre zeptometre zettametre zoll [Germany] zoll [Switzerland] decametre megalight year gigalight year light minute light hour light second light day light month light week mile [survey] mile [statute, international] mile [statute, US] linear foot milímetro centímetro metro beard-second stadion ri [Korea]