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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 kilometer (SI symbol: km) or kilometre (British spelling) is a unit of length in the metric system, equal to 1000 meters (kilo- being the SI prefix for 1000). It is ..more definition+
In relation to the base unit of [length] => (meters), 1 Bohr Radius (Bohr) is equal to 5.29177E-11 meters, while 1 Kilometers (km) = 1000 meters.| 1 Bohr Radius | to common length units |
|---|---|
| 1 Bohr | = 5.29177E-11 meters (m) |
| 1 Bohr | = 5.29177E-14 kilometers (km) |
| 1 Bohr | = 5.29177E-9 centimeters (cm) |
| 1 Bohr | = 1.7361450131234E-10 feet (ft) |
| 1 Bohr | = 2.083374015748E-9 inches (in) |
| 1 Bohr | = 5.7871500437445E-11 yards (yd) |
| 1 Bohr | = 3.2881534339458E-14 miles (mi) |
| 1 Bohr | = 5.593245957087E-27 light years (ly) |
| 1 Bohr | = 2.0000393070916E-7 pixels (PX) |
| 1 Bohr | = 3.30735625E+24 planck length (pl) |
| Bohr Radius | to Kilometers (table conversion) |
|---|---|
| 1 Bohr | = 5.29177E-14 km |
| 2 Bohr | = 1.058354E-13 km |
| 3 Bohr | = 1.587531E-13 km |
| 4 Bohr | = 2.116708E-13 km |
| 5 Bohr | = 2.645885E-13 km |
| 6 Bohr | = 3.175062E-13 km |
| 7 Bohr | = 3.704239E-13 km |
| 8 Bohr | = 4.233416E-13 km |
| 9 Bohr | = 4.762593E-13 km |
| 10 Bohr | = 5.29177E-13 km |
| 20 Bohr | = 1.058354E-12 km |
| 30 Bohr | = 1.587531E-12 km |
| 40 Bohr | = 2.116708E-12 km |
| 50 Bohr | = 2.645885E-12 km |
| 60 Bohr | = 3.175062E-12 km |
| 70 Bohr | = 3.704239E-12 km |
| 80 Bohr | = 4.233416E-12 km |
| 90 Bohr | = 4.762593E-12 km |
| 100 Bohr | = 5.29177E-12 km |
| 200 Bohr | = 1.058354E-11 km |
| 300 Bohr | = 1.587531E-11 km |
| 400 Bohr | = 2.116708E-11 km |
| 500 Bohr | = 2.645885E-11 km |
| 600 Bohr | = 3.175062E-11 km |
| 700 Bohr | = 3.704239E-11 km |
| 800 Bohr | = 4.233416E-11 km |
| 900 Bohr | = 4.762593E-11 km |
| 1000 Bohr | = 5.29177E-11 km |
| 2000 Bohr | = 1.058354E-10 km |
| 4000 Bohr | = 2.116708E-10 km |
| 5000 Bohr | = 2.645885E-10 km |
| 7500 Bohr | = 3.9688275E-10 km |
| 10000 Bohr | = 5.29177E-10 km |
| 25000 Bohr | = 1.3229425E-9 km |
| 50000 Bohr | = 2.645885E-9 km |
| 100000 Bohr | = 5.29177E-9 km |
| 1000000 Bohr | = 5.29177E-8 km |
| 1000000000 Bohr | = 5.29177E-5 km |