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astronomical unit
 Symbol: AU, UA Category: Length SI Equivalent: 1.49598×1011 m Dimension: L Notes Equal to the mean distance between the earth and the sun, this unit of length is usually employed in astronomy for describing planetary distances. It was adopted by the International Astronomical Union in 1964.
Convert     AU, UA
1 AU, UA =
 Length Symbol Unit Name 2.82699×1021 a.u., a0, b a.u. of length 1.49598×1021 Å angstrom 5.1428×1014 arcmin arcmin 1.49598×1029 am attometer 1.7669×1013 barleycorn (UK) 2.82699×1021 a0, b bohr (first Bohr radius) 4.09006×109 bolt (US cloth) 7.06762×1013 line (UK) button (UK) 2.35587×1014 line (US) button (US) 8.07764×108 cable length (int.) 8.07248×108 cable length (UK) 6.81676×108 cable length (US) 5.88968×1014 caliber, cin caliber (centiinch) 1.49598×1013 cm centimeter 4.90807×109 ch chain (engineer's) 7.43646×109 ch chain (Gunter's) 4.90807×109 ch chain (Ramsden's) 7.43646×109 ch chain (surveyor's) 3.27204×1011 cubit (UK) 1.49598×1010 dam decameter 1.49598×1012 dm decimeter 5.30876×1025 re electron classical radius 1.30882×1011 ell 3.54707×1013 ems (pica) 1.49598×10-7 Em exameter 8.18011×1010 fath fathom 1.49598×1026 fm femtometer 1.49598×1026 F, f fermi 2.82699×1021 a0, b, a.u. first Bohr radius 4.90807×1011 ft foot 4.48794×1014 fr French 7.43646×108 fur furlong (UK) 7.43646×108 fur furlong (US) 149.598 Gm gigameter 1.47242×1012 hd hand (UK) 1.49598×109 hm hectometer 1.58128×10-14 hubble 5.88968×1012 in inch 1.49598×108 km kilometer 4.84814×10-9 kpc kiloparsec 3.09919×107 league (Canadian) 2.69255×107 leag. (int. naut.) league (int. naut.) 3.09853×107 leag. (stat.) league (statute, land) 2.69083×107 leag. (UK, naut.) league (UK, naut.) 2.69083×107 leag. (US, naut.) league (US, naut.) 5.77552×10-3 light-day 0.138612 light-hour 8.31675 light-minute 499.005 light-second 1.58128×10-5 ly light-year 7.06762×1013 line (UK) line (UK) 2.35587×1014 line (US) line (US) 4.90807×1011 link (engineer's) 7.43646×1011 link (Gunter's) 4.90807×1011 link (Ramsden's) 7.43646×1011 link (surveyor's) 1.49598×105 Mm megameter 1.49598×1011 m meter 5.88968×1018 µin microinch 1.49598×1017 µm micron 5.88968×1015 mil, thou mil (thou) 2.01571×107 mile (geogr.) mile (geographical) 9.29556×107 mi (int.) mile (international) 8.07764×107 mi (naut., int.) mile (nautical, international) 8.06319×107 mi (naut., teleg.) mile (nautical, telegraph) 8.07248×107 mi (naut., UK, US) mile (nautical, UK, US) 9.29558×107 mi (stat.) mile (statute, land) 9.29556×107 mi (survey, US) mile (survey, US) 1.49598×1014 mm millimeter 1.49598×1020 mµ, nm millimicron 6.54409×1011 nail (UK) 1.49598×1020 nm nanometer 8.07764×107 mi (int. naut.) nautical mile (international) 8.07248×107 mi (UK, US, naut.) nautical mile (UK, US) 1.96323×1011 pace (UK) 1.96323×1012 palm (UK) 4.84814×10-6 pc parsec 2.97459×1010 rd perch (rod, pole) 1.49598×10-4 Pm petameter 3.54706×1013 pica 1.49598×1023 pm picometer 4.25647×1014 point (US printer's) 2.97459×1010 rd pole (rod, perch) 1.49598×104 quadrant 2.97459×1010 rd rod (perch, pole) 2.45403×1010 rope (UK) 6.54409×1011 span 0.149598 Tm terameter 5.88968×1015 thou, mil thou (mil) 1.49567×1024 UX, X X-unit 1.63602×1011 yd yard 1.49598×1035 ym yoctometer 1.49598×10-13 Ym yottameter 1.49598×1032 zm zeptometer 1.49598×10-10 Zm zettameter
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