Parsec Light Year AngstromAstronomical UnitAttometerBarleycornCableChainCentimeterCubitDecimeterDigitDekameterEllEmFathomFootFurlongGigameterHandHectometerInchLeagueLight YearLineLinkKilometerMeterMegameterMileMilMicroinchMicrometerMillimeterNautical LeagueParsecPicometerNanometerNautical MilePalmPerchPetameterPicaPointPoleRodRopeScandinavian MileSpanTerameterThouYard AngstromAstronomical UnitAttometerBarleycornCableChainCentimeterCubitDecimeterDigitDekameterEllEmFathomFootFurlongGigameterHandHectometerInchLeagueLight YearLineLinkKilometerMeterMegameterMileMilMicroinchMicrometerMillimeterNautical LeagueParsecPicometerNanometerNautical MilePalmPerchPetameterPicaPointPoleRodRopeScandinavian MileSpanTerameterThouYard How many Light Years in a Parsec? 1 Parsec equals to 3.2615637967313345 Light Years