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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.
Alen or aln is a traditional Scandinavian unit of distance similar to the north German elle: roughly 60 centimeters. The Danish alen, also used in Norway, was equal to 62.77 centimeters (2 Danish fod). The Swedish aln was 59.38 centimeters.
In relation to the base unit of [length] => (meters), 1 Bohr Radius (Bohr) is equal to 5.29177E-11 meters, while 1 Alens (aln) = 0.593778 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 Alens (table conversion) |
|---|---|
| 1 Bohr | = 8.912034464059E-11 aln |
| 2 Bohr | = 1.7824068928118E-10 aln |
| 3 Bohr | = 2.6736103392177E-10 aln |
| 4 Bohr | = 3.5648137856236E-10 aln |
| 5 Bohr | = 4.4560172320295E-10 aln |
| 6 Bohr | = 5.3472206784354E-10 aln |
| 7 Bohr | = 6.2384241248413E-10 aln |
| 8 Bohr | = 7.1296275712472E-10 aln |
| 9 Bohr | = 8.0208310176531E-10 aln |
| 10 Bohr | = 8.912034464059E-10 aln |
| 20 Bohr | = 1.7824068928118E-9 aln |
| 30 Bohr | = 2.6736103392177E-9 aln |
| 40 Bohr | = 3.5648137856236E-9 aln |
| 50 Bohr | = 4.4560172320295E-9 aln |
| 60 Bohr | = 5.3472206784354E-9 aln |
| 70 Bohr | = 6.2384241248413E-9 aln |
| 80 Bohr | = 7.1296275712472E-9 aln |
| 90 Bohr | = 8.0208310176531E-9 aln |
| 100 Bohr | = 8.912034464059E-9 aln |
| 200 Bohr | = 1.7824068928118E-8 aln |
| 300 Bohr | = 2.6736103392177E-8 aln |
| 400 Bohr | = 3.5648137856236E-8 aln |
| 500 Bohr | = 4.4560172320295E-8 aln |
| 600 Bohr | = 5.3472206784354E-8 aln |
| 700 Bohr | = 6.2384241248413E-8 aln |
| 800 Bohr | = 7.1296275712472E-8 aln |
| 900 Bohr | = 8.0208310176531E-8 aln |
| 1000 Bohr | = 8.912034464059E-8 aln |
| 2000 Bohr | = 1.7824068928118E-7 aln |
| 4000 Bohr | = 3.5648137856236E-7 aln |
| 5000 Bohr | = 4.4560172320295E-7 aln |
| 7500 Bohr | = 6.6840258480442E-7 aln |
| 10000 Bohr | = 8.912034464059E-7 aln |
| 25000 Bohr | = 2.2280086160147E-6 aln |
| 50000 Bohr | = 4.4560172320295E-6 aln |
| 100000 Bohr | = 8.912034464059E-6 aln |
| 1000000 Bohr | = 8.912034464059E-5 aln |
| 1000000000 Bohr | = 0.08912034464059 aln |