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a.u. of length
 Symbol: a.u., a0, b Category: Length SI Equivalent: 5.29177×10-11 m Dimension: L System: a.u. Notes Also called the 1st Bohr radius, this fundamental physical constant is a base unit of the a.u. system.
Convert     a.u., a0, b
1 a.u., a0, b =
 Length Symbol Unit Name 0.529177 Å angstrom 1.81918×10-7 arcmin arcmin 3.53733×10-22 AU, UA astronomical unit 5.29177×107 am attometer 6.25012×10-9 barleycorn (UK) 1 a0, b bohr (first Bohr radius) 1.44679×10-12 bolt (US cloth) 2.50005×10-8 line (UK) button (UK) 8.3335×10-8 line (US) button (US) 2.85733×10-13 cable length (int.) 2.85551×10-13 cable length (UK) 2.41131×10-13 cable length (US) 2.08337×10-7 caliber, cin caliber (centiinch) 5.29177×10-9 cm centimeter 1.73615×10-12 ch chain (engineer's) 2.63052×10-12 ch chain (Gunter's) 1.73615×10-12 ch chain (Ramsden's) 2.63052×10-12 ch chain (surveyor's) 1.15743×10-10 cubit (UK) 5.29177×10-12 dam decameter 5.29177×10-10 dm decimeter 1.87789×104 re electron classical radius 4.62972×10-11 ell 1.25472×10-8 ems (pica) 5.29177×10-29 Em exameter 2.89358×10-11 fath fathom 5.29177×104 fm femtometer 5.29177×104 F, f fermi 1 a0, b, a.u. first Bohr radius 1.73615×10-10 ft foot 1.58753×10-7 fr French 2.63052×10-13 fur furlong (UK) 2.63052×10-13 fur furlong (US) 5.29177×10-20 Gm gigameter 5.20844×10-10 hd hand (UK) 5.29177×10-13 hm hectometer 5.59352×10-36 hubble 2.08337×10-9 in inch 5.29177×10-14 km kilometer 1.71494×10-30 kpc kiloparsec 1.09629×10-14 league (Canadian) 9.52442×10-15 leag. (int. naut.) league (int. naut.) 1.09605×10-14 leag. (stat.) league (statute, land) 9.51834×10-15 leag. (UK, naut.) league (UK, naut.) 9.51834×10-15 leag. (US, naut.) league (US, naut.) 2.04299×10-24 light-day 4.90319×10-23 light-hour 2.94192×10-21 light-minute 1.76515×10-19 light-second 5.59352×10-27 ly light-year 2.50005×10-8 line (UK) line (UK) 8.3335×10-8 line (US) line (US) 1.73615×10-10 link (engineer's) 2.63052×10-10 link (Gunter's) 1.73615×10-10 link (Ramsden's) 2.63052×10-10 link (surveyor's) 5.29177×10-17 Mm megameter 5.29177×10-11 m meter 2.08337×10-3 µin microinch 5.29177×10-5 µm micron 2.08337×10-6 mil, thou mil (thou) 7.13024×10-15 mile (geogr.) mile (geographical) 3.28814×10-14 mi (int.) mile (international) 2.85733×10-14 mi (naut., int.) mile (nautical, international) 2.85221×10-14 mi (naut., teleg.) mile (nautical, telegraph) 2.85551×10-14 mi (naut., UK, US) mile (nautical, UK, US) 3.28816×10-14 mi (stat.) mile (statute, land) 3.28814×10-14 mi (survey, US) mile (survey, US) 5.29177×10-8 mm millimeter 5.29177×10-2 mµ, nm millimicron 2.31486×10-10 nail (UK) 5.29177×10-2 nm nanometer 2.85733×10-14 mi (int. naut.) nautical mile (international) 2.85551×10-14 mi (UK, US, naut.) nautical mile (UK, US) 6.94458×10-11 pace (UK) 6.94458×10-10 palm (UK) 1.71494×10-27 pc parsec 1.05221×10-11 rd perch (rod, pole) 5.29177×10-26 Pm petameter 1.25471×10-8 pica 52.9177 pm picometer 1.50565×10-7 point (US printer's) 1.05221×10-11 rd pole (rod, perch) 5.29177×10-18 quadrant 1.05221×10-11 rd rod (perch, pole) 8.68073×10-12 rope (UK) 2.31486×10-10 span 5.29177×10-23 Tm terameter 2.08337×10-6 thou, mil thou (mil) 529.066 UX, X X-unit 5.78715×10-11 yd yard 5.29177×1013 ym yoctometer 5.29177×10-35 Ym yottameter 5.29177×1010 zm zeptometer 5.29177×10-32 Zm zettameter
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