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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.| 199900 Bohr Radius | to common length units |
|---|---|
| 199900 Bohr | = 1.057824823E-5 meters (m) |
| 199900 Bohr | = 1.057824823E-8 kilometers (km) |
| 199900 Bohr | = 0.001057824823 centimeters (cm) |
| 199900 Bohr | = 3.4705538812336E-5 feet (ft) |
| 199900 Bohr | = 0.00041646646574803 inches (in) |
| 199900 Bohr | = 1.1568512937445E-5 yards (yd) |
| 199900 Bohr | = 6.5730187144576E-9 miles (mi) |
| 199900 Bohr | = 1.1180898668217E-21 light years (ly) |
| 199900 Bohr | = 0.03998078574876 pixels (PX) |
| 199900 Bohr | = 6.61140514375E+29 planck length (pl) |