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