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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 Perch (perch) = 5.0292 meters.| 3 Bohr Radius | to common length units |
|---|---|
| 3 Bohr | = 1.587531E-10 meters (m) |
| 3 Bohr | = 1.587531E-13 kilometers (km) |
| 3 Bohr | = 1.587531E-8 centimeters (cm) |
| 3 Bohr | = 5.2084350393701E-10 feet (ft) |
| 3 Bohr | = 6.2501220472441E-9 inches (in) |
| 3 Bohr | = 1.7361450131234E-10 yards (yd) |
| 3 Bohr | = 9.8644603018373E-14 miles (mi) |
| 3 Bohr | = 1.6779737871261E-26 light years (ly) |
| 3 Bohr | = 6.0001179212747E-7 pixels (PX) |
| 3 Bohr | = 9.92206875E+24 planck length (pl) |