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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 Terameters (Tm) is equal to 1000000000000 meters, while 1 Bohr Radius (Bohr) = 5.29177E-11 meters.| 321900 Terameters | to common length units |
|---|---|
| 321900 Tm | = 321900000000000000 meters (m) |
| 321900 Tm | = 321900000000000 kilometers (km) |
| 321900 Tm | = 3.219E+19 centimeters (cm) |
| 321900 Tm | = 1.0561023622047E+18 feet (ft) |
| 321900 Tm | = 1.2673228346457E+19 inches (in) |
| 321900 Tm | = 3.5203412073491E+17 yards (yd) |
| 321900 Tm | = 2.000193867812E+14 miles (mi) |
| 321900 Tm | = 34.023887538315 light years (ly) |
| 321900 Tm | = 1.2166300745361E+21 pixels (PX) |
| 321900 Tm | = 2.011875E+52 planck length (pl) |