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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 Perch (perch) is equal to 5.0292 meters, while 1 Bohr Radius (Bohr) = 5.29177E-11 meters.| 3866918090 Perch | to common length units |
|---|---|
| 3866918090 perch | = 19447504458.228 meters (m) |
| 3866918090 perch | = 19447504.458228 kilometers (km) |
| 3866918090 perch | = 1944750445822.8 centimeters (cm) |
| 3866918090 perch | = 63804148485 feet (ft) |
| 3866918090 perch | = 765649781820 inches (in) |
| 3866918090 perch | = 21268049495 yards (yd) |
| 3866918090 perch | = 12084119.03125 miles (mi) |
| 3866918090 perch | = 2.0555442826581E-6 light years (ly) |
| 3866918090 perch | = 73502388314863 pixels (PX) |
| 3866918090 perch | = 1.2154690286393E+45 planck length (pl) |