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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.
The line (abbreviated L or l) was a small English unit of length, variously reckoned as 1/10, 1/12, 1/16, or 1/40 of an inch. It was not included among the units authoriz ..more definition+
In relation to the base unit of [length] => (meters), 1 Bohr Radius (Bohr) is equal to 5.29177E-11 meters, while 1 Lines (l) = 0.0021 meters.| 63900 Bohr Radius | to common length units |
|---|---|
| 63900 Bohr | = 3.38144103E-6 meters (m) |
| 63900 Bohr | = 3.38144103E-9 kilometers (km) |
| 63900 Bohr | = 0.000338144103 centimeters (cm) |
| 63900 Bohr | = 1.1093966633858E-5 feet (ft) |
| 63900 Bohr | = 0.0001331275996063 inches (in) |
| 63900 Bohr | = 3.6979888779528E-6 yards (yd) |
| 63900 Bohr | = 2.1011300442913E-9 miles (mi) |
| 63900 Bohr | = 3.5740841665786E-22 light years (ly) |
| 63900 Bohr | = 0.012780251172315 pixels (PX) |
| 63900 Bohr | = 2.11340064375E+29 planck length (pl) |