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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 Bohr Radius (Bohr) is equal to 5.29177E-11 meters, while 1 Calibers (cal) = 0.000254 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 Calibers (table conversion) |
|---|---|
| 1 Bohr | = 2.083374015748E-7 cal |
| 2 Bohr | = 4.1667480314961E-7 cal |
| 3 Bohr | = 6.2501220472441E-7 cal |
| 4 Bohr | = 8.3334960629921E-7 cal |
| 5 Bohr | = 1.041687007874E-6 cal |
| 6 Bohr | = 1.2500244094488E-6 cal |
| 7 Bohr | = 1.4583618110236E-6 cal |
| 8 Bohr | = 1.6666992125984E-6 cal |
| 9 Bohr | = 1.8750366141732E-6 cal |
| 10 Bohr | = 2.083374015748E-6 cal |
| 20 Bohr | = 4.1667480314961E-6 cal |
| 30 Bohr | = 6.2501220472441E-6 cal |
| 40 Bohr | = 8.3334960629921E-6 cal |
| 50 Bohr | = 1.041687007874E-5 cal |
| 60 Bohr | = 1.2500244094488E-5 cal |
| 70 Bohr | = 1.4583618110236E-5 cal |
| 80 Bohr | = 1.6666992125984E-5 cal |
| 90 Bohr | = 1.8750366141732E-5 cal |
| 100 Bohr | = 2.083374015748E-5 cal |
| 200 Bohr | = 4.1667480314961E-5 cal |
| 300 Bohr | = 6.2501220472441E-5 cal |
| 400 Bohr | = 8.3334960629921E-5 cal |
| 500 Bohr | = 0.0001041687007874 cal |
| 600 Bohr | = 0.00012500244094488 cal |
| 700 Bohr | = 0.00014583618110236 cal |
| 800 Bohr | = 0.00016666992125984 cal |
| 900 Bohr | = 0.00018750366141732 cal |
| 1000 Bohr | = 0.0002083374015748 cal |
| 2000 Bohr | = 0.00041667480314961 cal |
| 4000 Bohr | = 0.00083334960629921 cal |
| 5000 Bohr | = 0.001041687007874 cal |
| 7500 Bohr | = 0.001562530511811 cal |
| 10000 Bohr | = 0.002083374015748 cal |
| 25000 Bohr | = 0.0052084350393701 cal |
| 50000 Bohr | = 0.01041687007874 cal |
| 100000 Bohr | = 0.02083374015748 cal |
| 1000000 Bohr | = 0.2083374015748 cal |
| 1000000000 Bohr | = 208.3374015748 cal |