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The Bohr radius (a0 or rBohr) is a physical constant, approximately equal to the most probable distance between the proton and electron in a hydrogen atom in its ground state. It is named after Niels Bohr, due to its role in the Bohr model of an atom. Its value is 5.2917721067×10^−11 m.

Symbol/abbreviation: Bohr
Unit of: LENGTH
LENGTH's base unit: meters (SI Unit)
In relation to the base unit (meters), 1 Bohr Radius = 5.29177E-11 meters.
[Conversion table] 1 Bohr Radius (Bohr) to all length units
1 Bohr= 2.91672362204E-8 agate [typography] (agate)
1 Bohr= 8.91203446406E-11 alens (aln)
1 Bohr= 0.529177 angstroms (Å)
1 Bohr= 3.5373297596E-22 astronomical unit (au)
1 Bohr= 52917700 attometers (am)
1 Bohr= 4.48037422742E-13 barleycorns (bcorn)
1 Bohr= 52.9177 bicrons (μμ)
1 Bohr= 1 bohr radius (Bohr)
1 Bohr= 2.85550166632E-13 cable length uk (cbl[UK])
1 Bohr= 2.41131251823E-13 cable length us (cbl[US])
1 Bohr= 2.08337401575E-7 calibers (cal)
1 Bohr= 2.08337401575E-7 centiinch (cin)
1 Bohr= 5.29177E-9 centimeters (cm)
1 Bohr= 2.63052274716E-12 chains (ch)
1 Bohr= 1.15743000875E-10 cubits (cbt)
1 Bohr= 5.29177E-12 decameters (dam)
1 Bohr= 5.29177E-10 decimeters (dm)
1 Bohr= 1.40748962034E-7 didot points (didot point)
1 Bohr= 2.777832021E-9 digits (digit)
1 Bohr= 4.629720035E-11 ells (eel)
1 Bohr= 1.25471201353E-8 ems (EM)
1 Bohr= 5.29177E-29 exameters (Em)
1 Bohr= 2.89357502187E-11 fathoms (fath)
1 Bohr= 1.73614501312E-10 feet (ft)
1 Bohr= 52917.7 femtometers (fm)
1 Bohr= 52917.7 fermi (fermi)
1 Bohr= 4.629720035E-10 finger cloth (finer)
1 Bohr= 2.38099887514E-9 fingerbreadth (fb)
1 Bohr= 1.68474052849E-10 fods (fod)
1 Bohr= 2.63052274716E-13 furlongs (fur)
1 Bohr= 5.29177E-20 gigameters (Gm)
1 Bohr= 1.71810714286E-12 greek plethron (pleth)
1 Bohr= 2.86041621622E-13 greek stadion (std)
1 Bohr= 5.20843503937E-10 hands (h)
1 Bohr= 5.29177E-13 hectometers (hm)
1 Bohr= 5.29177E-6 himetrics (hiMetric)
1 Bohr= 2.79030587469E-11 hvats (hvat)
1 Bohr= 2.08337401575E-9 inches (in)
1 Bohr= 5.29177E-14 kilometers (km)
1 Bohr= 1.71476668827E-30 kiloparsecs (kpc)
1 Bohr= 2.04315444015E-24 light days (ld)
1 Bohr= 4.90432808156E-23 light hours (lh)
1 Bohr= 2.94150639244E-21 light minutes (lmin)
1 Bohr= 6.80963839918E-26 light months (lm)
1 Bohr= 1.76510006671E-19 light seconds (ls)
1 Bohr= 5.59324595709E-27 light years (ly)
1 Bohr= 2.51989047619E-8 lines (l)
1 Bohr= 2.63051748611E-10 links (li)
1 Bohr= 5.29177E-17 megameters (Mm)
1 Bohr= 5.29177E-11 meters (m)
1 Bohr= 0.00208337401575 microinches (μin)
1 Bohr= 5.29177E-5 micrometers (μm)
1 Bohr= 52.9177 micromicrons (μμm)
1 Bohr= 3.28815343395E-14 miles (mi)
1 Bohr= 5.29177E-8 millimeters (mm)
1 Bohr= 2.08337401575E-6 mils (mil)
1 Bohr= 5.29177E-15 myriameters (Mym)
1 Bohr= 9.25944006999E-10 nails cloth (nail)
1 Bohr= 0.0529177 nanometers (nm)
1 Bohr= 9.52442404608E-15 nautical leagues (Nl)
1 Bohr= 2.85732721382E-14 nautical miles (NM)
1 Bohr= 6.94458005249E-11 paces (pace)
1 Bohr= 6.94458005249E-10 palms (palm)
1 Bohr= 1.71494586205E-27 parsecs (pc)
1 Bohr= 1.05220909886E-11 perch (perch)
1 Bohr= 5.29177E-26 petameters (Pm)
1 Bohr= 1.25002441043E-8 picas (p)
1 Bohr= 52.9177 picometers (pm)
1 Bohr= 2.00003930709E-7 pixels (PX)
1 Bohr= 3.30735625E+24 planck length (pl)
1 Bohr= 1.50002834644E-7 points (pt)
1 Bohr= 1.05220909886E-11 poles (pole)
1 Bohr= 1.19049943757E-9 rack unit (ru)
1 Bohr= 1.25002456693E-8 rems (rem)
1 Bohr= 1.05220909886E-11 rods (rd)
1 Bohr= 1.49063943662E-12 roman actus (actus)
1 Bohr= 8.68072506562E-12 ropes (rope)
1 Bohr= 5.29177E-15 scandinavian miles (mil[Scandinavian])
1 Bohr= 2.3148600175E-10 spans (span)
1 Bohr= 5.29177E-23 terameters (Tm)
1 Bohr= 2.08337401575E-6 thou (th)
1 Bohr= 3.00003968479E-6 twips (twip)
1 Bohr= 6.11058891455E-11 varas [Argentina] (vr[Argentina])
1 Bohr= 6.31324193958E-11 varas [California] (vr[California])
1 Bohr= 6.1247337963E-11 varas [Latin America] (vr[Latin])
1 Bohr= 6.31461062982E-11 varas [Mexico] (vr[Mexico])
1 Bohr= 6.33062567293E-11 varas [Spanish] (vr[Spanish])
1 Bohr= 6.25009744056E-11 varas [Texas] (vr[Texas])
1 Bohr= 4.96041432321E-14 versts (vst)
1 Bohr= 528.118650225 x unit (xu)
1 Bohr= 5.78715004374E-11 yards (yd)
1 Bohr= 5.29177E+13 yoctometers (ym)
1 Bohr= 5.29177E-35 yottameters (Ym)
1 Bohr= 52917700000 zeptometers (zm)
1 Bohr= 5.29177E-32 zettameters (Zm)
1 Bohr= 2.08337401575E-9 zolls (zoll)