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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.
In relation to the base unit of [length] => (meters), 1 Bohr Radius (Bohr) is equal to 5.29177E-11 meters, while 1 Exameters (Em) = 1000000000000000000 meters.| 3975000000 Bohr Radius | to common length units |
|---|---|
| 3975000000 Bohr | = 0.2103478575 meters (m) |
| 3975000000 Bohr | = 0.0002103478575 kilometers (km) |
| 3975000000 Bohr | = 21.03478575 centimeters (cm) |
| 3975000000 Bohr | = 0.69011764271654 feet (ft) |
| 3975000000 Bohr | = 8.2814117125984 inches (in) |
| 3975000000 Bohr | = 0.23003921423885 yards (yd) |
| 3975000000 Bohr | = 0.00013070409899934 miles (mi) |
| 3975000000 Bohr | = 2.2233152679421E-17 light years (ly) |
| 3975000000 Bohr | = 795.0156245689 pixels (PX) |
| 3975000000 Bohr | = 1.314674109375E+34 planck length (pl) |