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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.| 199500 Perch | to common length units |
|---|---|
| 199500 perch | = 1003325.4 meters (m) |
| 199500 perch | = 1003.3254 kilometers (km) |
| 199500 perch | = 100332540 centimeters (cm) |
| 199500 perch | = 3291750 feet (ft) |
| 199500 perch | = 39501000 inches (in) |
| 199500 perch | = 1097250 yards (yd) |
| 199500 perch | = 623.4375 miles (mi) |
| 199500 perch | = 1.0604855723496E-10 light years (ly) |
| 199500 perch | = 3792096477.7444 pixels (PX) |
| 199500 perch | = 6.27078375E+40 planck length (pl) |