meter [m] exameter [Em] petameter [Pm] terameter [Tm] gigameter [Gm] megameter [Mm] kilometer [km] hectometer [hm] dekameter [dam] decimeter [dm] centimeter [cm] millimeter [mm] micrometer [µm] micron [µ] nanometer [nm] picometer [pm] femtometer [fm] attometer [am] megaparsec [Mpc] kiloparsec [kpc] parsec [pc] light year [ly] astronomical unit league [lea] nautical league (UK) league (statute) mile [mi, mi(Int)] nautical mile (UK) nautical mile (int.) mile (statute) [mi] mile (US survey) mile (Roman) kiloyard [kyd] furlong [fur] furlong (US survey) chain [ch] chain (US survey) rope rod [rd] rod (US survey) perch pole fathom [fath] fathom (US survey) ell yard [yd] foot [ft] foot (US survey) link [li] link (US survey) [li] cubit (UK) hand span (cloth) finger (cloth) nail (cloth) inch [in] inch (US survey) barleycorn mil [mil, thou] microinch angstrom [A] a.u. of length [a.u.] X-unit [X] fermi [F, f] arpent pica point twip aln famn caliber [cl] centiinch [cin] ken Russian archin Roman actus vara de tarea vara conuquera vara castellana cubit (Greek) long reed reed long cubit handbreadth fingerbreadth Planck length Bohr radius [b, a.u.] Earth's polar radius Sun's radius
meter [m] exameter [Em] petameter [Pm] terameter [Tm] gigameter [Gm] megameter [Mm] kilometer [km] hectometer [hm] dekameter [dam] decimeter [dm] centimeter [cm] millimeter [mm] micrometer [µm] micron [µ] nanometer [nm] picometer [pm] femtometer [fm] attometer [am] megaparsec [Mpc] kiloparsec [kpc] parsec [pc] light year [ly] astronomical unit league [lea] nautical league (UK) league (statute) mile [mi, mi(Int)] nautical mile (UK) nautical mile (int.) mile (statute) [mi] mile (US survey) mile (Roman) kiloyard [kyd] furlong [fur] furlong (US survey) chain [ch] chain (US survey) rope rod [rd] rod (US survey) perch pole fathom [fath] fathom (US survey) ell yard [yd] foot [ft] foot (US survey) link [li] link (US survey) [li] cubit (UK) hand span (cloth) finger (cloth) nail (cloth) inch [in] inch (US survey) barleycorn mil [mil, thou] microinch angstrom [A] a.u. of length [a.u.] X-unit [X] fermi [F, f] arpent pica point twip aln famn caliber [cl] centiinch [cin] ken Russian archin Roman actus vara de tarea vara conuquera vara castellana cubit (Greek) long reed reed long cubit handbreadth fingerbreadth Planck length Bohr radius [b, a.u.] Earth's polar radius Sun's radius