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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.
The hand is a non-SI unit of measurement of length standardized to 4 inches (101.6 mm). It is used to measure the height of horses in some English-speaking countries, includi ..more definition+
In relation to the base unit of [length] => (meters), 1 Bohr Radius (Bohr) is equal to 5.29177E-11 meters, while 1 Hands (h) = 0.1016 meters.| 440000 Bohr Radius | to common length units |
|---|---|
| 440000 Bohr | = 2.3283788E-5 meters (m) |
| 440000 Bohr | = 2.3283788E-8 kilometers (km) |
| 440000 Bohr | = 0.0023283788 centimeters (cm) |
| 440000 Bohr | = 7.6390380577428E-5 feet (ft) |
| 440000 Bohr | = 0.00091668456692913 inches (in) |
| 440000 Bohr | = 2.5463460192476E-5 yards (yd) |
| 440000 Bohr | = 1.4467875109361E-8 miles (mi) |
| 440000 Bohr | = 2.4610282211183E-21 light years (ly) |
| 440000 Bohr | = 0.088001729512029 pixels (PX) |
| 440000 Bohr | = 1.45523675E+30 planck length (pl) |