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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 Micromicrons (μμm) is equal to 1.0E-12 meters, while 1 Bohr Radius (Bohr) = 5.29177E-11 meters.| 1 Micromicrons | to common length units |
|---|---|
| 1 μμm | = 1.0E-12 meters (m) |
| 1 μμm | = 1.0E-15 kilometers (km) |
| 1 μμm | = 1.0E-10 centimeters (cm) |
| 1 μμm | = 3.2808398950131E-12 feet (ft) |
| 1 μμm | = 3.9370078740157E-11 inches (in) |
| 1 μμm | = 1.0936132983377E-12 yards (yd) |
| 1 μμm | = 6.2137119223733E-16 miles (mi) |
| 1 μμm | = 1.056970721911E-28 light years (ly) |
| 1 μμm | = 3.7795280352161E-9 pixels (PX) |
| 1 μμm | = 6.25E+22 planck length (pl) |
| Micromicrons | to Bohr Radius (table conversion) |
|---|---|
| 1 μμm | = 0.018897268777744 Bohr |
| 2 μμm | = 0.037794537555487 Bohr |
| 3 μμm | = 0.056691806333231 Bohr |
| 4 μμm | = 0.075589075110974 Bohr |
| 5 μμm | = 0.094486343888718 Bohr |
| 6 μμm | = 0.11338361266646 Bohr |
| 7 μμm | = 0.1322808814442 Bohr |
| 8 μμm | = 0.15117815022195 Bohr |
| 9 μμm | = 0.17007541899969 Bohr |
| 10 μμm | = 0.18897268777744 Bohr |
| 20 μμm | = 0.37794537555487 Bohr |
| 30 μμm | = 0.56691806333231 Bohr |
| 40 μμm | = 0.75589075110974 Bohr |
| 50 μμm | = 0.94486343888718 Bohr |
| 60 μμm | = 1.1338361266646 Bohr |
| 70 μμm | = 1.322808814442 Bohr |
| 80 μμm | = 1.5117815022195 Bohr |
| 90 μμm | = 1.7007541899969 Bohr |
| 100 μμm | = 1.8897268777744 Bohr |
| 200 μμm | = 3.7794537555487 Bohr |
| 300 μμm | = 5.6691806333231 Bohr |
| 400 μμm | = 7.5589075110974 Bohr |
| 500 μμm | = 9.4486343888718 Bohr |
| 600 μμm | = 11.338361266646 Bohr |
| 700 μμm | = 13.22808814442 Bohr |
| 800 μμm | = 15.117815022195 Bohr |
| 900 μμm | = 17.007541899969 Bohr |
| 1000 μμm | = 18.897268777744 Bohr |
| 2000 μμm | = 37.794537555487 Bohr |
| 4000 μμm | = 75.589075110974 Bohr |
| 5000 μμm | = 94.486343888718 Bohr |
| 7500 μμm | = 141.72951583308 Bohr |
| 10000 μμm | = 188.97268777744 Bohr |
| 25000 μμm | = 472.43171944359 Bohr |
| 50000 μμm | = 944.86343888718 Bohr |
| 100000 μμm | = 1889.7268777744 Bohr |
| 1000000 μμm | = 18897.268777744 Bohr |
| 1000000000 μμm | = 18897268.777744 Bohr |