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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 Decimeters (dm) is equal to 0.1 meters, while 1 Bohr Radius (Bohr) = 5.29177E-11 meters.| 4991000000000 Decimeters | to common length units |
|---|---|
| 4991000000000 dm | = 499100000000 meters (m) |
| 4991000000000 dm | = 499100000 kilometers (km) |
| 4991000000000 dm | = 49910000000000 centimeters (cm) |
| 4991000000000 dm | = 1637467191601 feet (ft) |
| 4991000000000 dm | = 19649606299213 inches (in) |
| 4991000000000 dm | = 545822397200.35 yards (yd) |
| 4991000000000 dm | = 310126362.04565 miles (mi) |
| 4991000000000 dm | = 5.2753408730578E-5 light years (ly) |
| 4991000000000 dm | = 1.8863624423764E+15 pixels (PX) |
| 4991000000000 dm | = 3.119375E+46 planck length (pl) |