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Glossary » Units » Length » Astronomical Unit
Astronomical Unit (AU, UA) is a unit in the category of Length. It is also known as au. Astronomical Unit (AU, UA) has a dimension of L where L is length. It can be converted to the corresponding standard SI unit m by multiplying its value by a factor of 149597870000.
Note that the seven base dimensions are M (Mass), L (Length), T (Time), Q (Temperature), N (Aamount of Substance), I (Electric Current), and J (Luminous Intensity).

Other units in the category of Length include A.u. of Length (a.u., a0, b), Angstrom (Å), Arcmin (arcmin), Attometer (am), Barleycorn (UK), Bohr (first Bohr Radius) (a0, b), Bolt (US Cloth), Button (UK) (line (UK)), Button (US) (line (US)), Cable Length (int.), Cable Length (UK), Cable Length (US), Caliber (centiinch) (caliber, cin), Centimeter (cm), Chain (engineer'S) (ch), Chain (Gunter'S) (ch), Chain (Ramsden'S) (ch), Chain (surveyor'S) (ch), Cubit (UK), Decameter (dam), Decimeter (dm), Electron Classical Radius (re), Ell, Ems (pica), Exameter (Em), Fathom (fath), Femtometer (fm), Fermi (F, f), First Bohr Radius (a0, b, a.u.), Foot (ft), French (fr), Furlong (UK) (fur), Furlong (US) (fur), Gigameter (Gm), Hand (UK) (hd), Hectometer (hm), Hubble, Inch (in), Kilometer (km), Kiloparsec (kpc), League (Canadian), League (int. Naut.) (leag. (int. naut.)), League (statute, Land) (leag. (stat.)), League (UK, Naut.) (leag. (UK, naut.)), League (US, Naut.) (leag. (US, naut.)), Light-Day, Light-Hour, Light-Minute, Light-Second, Light-Year (ly), Line (UK) (line (UK)), Line (US) (line (US)), Link (engineer'S), Link (Gunter'S), Link (Ramsden'S), Link (surveyor'S), Megameter (Mm), Meter (m), Microinch (µin), Micron (µm), Mil (thou) (mil, thou), Mile (geographical) (mile (geogr.)), Mile (international) (mi (int.)), Mile (nautical, International) (mi (naut., int.)), Mile (nautical, Telegraph) (mi (naut., teleg.)), Mile (nautical, UK, US) (mi (naut., UK, US)), Mile (statute, Land) (mi (stat.)), Mile (survey, US) (mi (survey, US)), Millimeter (mm), Millimicron (mµ, nm), Nail (UK), Nanometer (nm), Nautical Mile (international) (mi (int. naut.)), Nautical Mile (UK, US) (mi (UK, US, naut.)), Pace (UK), Palm (UK), Parsec (pc), Perch (rod, Pole) (rd), Petameter (Pm), Pica, Picometer (pm), Point (US Printer'S), Pole (rod, Perch) (rd), Quadrant, Rod (perch, Pole) (rd), Rope (UK), Span, Terameter (Tm), Thou (mil) (thou, mil), X-Unit (UX, X), Yard (yd), Yoctometer (ym), Yottameter (Ym), Zeptometer (zm), and Zettameter (Zm).

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