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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 Zeptometers (zm) is equal to 1.0E-21 meters, while 1 Bohr Radius (Bohr) = 5.29177E-11 meters.| 1998124082 Zeptometers | to common length units |
|---|---|
| 1998124082 zm | = 1.998124082E-12 meters (m) |
| 1998124082 zm | = 1.998124082E-15 kilometers (km) |
| 1998124082 zm | = 1.998124082E-10 centimeters (cm) |
| 1998124082 zm | = 6.5555252034121E-12 feet (ft) |
| 1998124082 zm | = 7.8666302440945E-11 inches (in) |
| 1998124082 zm | = 2.185175067804E-12 yards (yd) |
| 1998124082 zm | = 1.2415767430705E-15 miles (mi) |
| 1998124082 zm | = 2.1119586534193E-28 light years (ly) |
| 1998124082 zm | = 7.5519659857595E-9 pixels (PX) |
| 1998124082 zm | = 1.24882755125E+23 planck length (pl) |