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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 kilometer (SI symbol: km) or kilometre (British spelling) is a unit of length in the metric system, equal to 1000 meters (kilo- being the SI prefix for 1000). It is ..more definition+
In relation to the base unit of [length] => (meters), 1 Bohr Radius (Bohr) is equal to 5.29177E-11 meters, while 1 Kilometers (km) = 1000 meters.| 389200 Bohr Radius | to common length units |
|---|---|
| 389200 Bohr | = 2.059556884E-5 meters (m) |
| 389200 Bohr | = 2.059556884E-8 kilometers (km) |
| 389200 Bohr | = 0.002059556884 centimeters (cm) |
| 389200 Bohr | = 6.7570763910761E-5 feet (ft) |
| 389200 Bohr | = 0.00081084916692913 inches (in) |
| 389200 Bohr | = 2.2523587970254E-5 yards (yd) |
| 389200 Bohr | = 1.2797493164917E-8 miles (mi) |
| 389200 Bohr | = 2.1768913264983E-21 light years (ly) |
| 389200 Bohr | = 0.077841529832004 pixels (PX) |
| 389200 Bohr | = 1.2872230525E+30 planck length (pl) |