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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 Petameters (Pm) is equal to 1000000000000000 meters, while 1 Bohr Radius (Bohr) = 5.29177E-11 meters.| 1 Petameters | to common length units |
|---|---|
| 1 Pm | = 1000000000000000 meters (m) |
| 1 Pm | = 1000000000000 kilometers (km) |
| 1 Pm | = 1.0E+17 centimeters (cm) |
| 1 Pm | = 3.2808398950131E+15 feet (ft) |
| 1 Pm | = 3.9370078740157E+16 inches (in) |
| 1 Pm | = 1.0936132983377E+15 yards (yd) |
| 1 Pm | = 621371192237.33 miles (mi) |
| 1 Pm | = 0.1056970721911 light years (ly) |
| 1 Pm | = 3.7795280352161E+18 pixels (PX) |
| 1 Pm | = 6.25E+49 planck length (pl) |
| Petameters | to Bohr Radius (table conversion) |
|---|---|
| 1 Pm | = 1.8897268777744E+25 Bohr |
| 2 Pm | = 3.7794537555487E+25 Bohr |
| 3 Pm | = 5.6691806333231E+25 Bohr |
| 4 Pm | = 7.5589075110974E+25 Bohr |
| 5 Pm | = 9.4486343888718E+25 Bohr |
| 6 Pm | = 1.1338361266646E+26 Bohr |
| 7 Pm | = 1.322808814442E+26 Bohr |
| 8 Pm | = 1.5117815022195E+26 Bohr |
| 9 Pm | = 1.7007541899969E+26 Bohr |
| 10 Pm | = 1.8897268777744E+26 Bohr |
| 20 Pm | = 3.7794537555487E+26 Bohr |
| 30 Pm | = 5.6691806333231E+26 Bohr |
| 40 Pm | = 7.5589075110974E+26 Bohr |
| 50 Pm | = 9.4486343888718E+26 Bohr |
| 60 Pm | = 1.1338361266646E+27 Bohr |
| 70 Pm | = 1.322808814442E+27 Bohr |
| 80 Pm | = 1.5117815022195E+27 Bohr |
| 90 Pm | = 1.7007541899969E+27 Bohr |
| 100 Pm | = 1.8897268777744E+27 Bohr |
| 200 Pm | = 3.7794537555487E+27 Bohr |
| 300 Pm | = 5.6691806333231E+27 Bohr |
| 400 Pm | = 7.5589075110974E+27 Bohr |
| 500 Pm | = 9.4486343888718E+27 Bohr |
| 600 Pm | = 1.1338361266646E+28 Bohr |
| 700 Pm | = 1.322808814442E+28 Bohr |
| 800 Pm | = 1.5117815022195E+28 Bohr |
| 900 Pm | = 1.7007541899969E+28 Bohr |
| 1000 Pm | = 1.8897268777744E+28 Bohr |
| 2000 Pm | = 3.7794537555487E+28 Bohr |
| 4000 Pm | = 7.5589075110974E+28 Bohr |
| 5000 Pm | = 9.4486343888718E+28 Bohr |
| 7500 Pm | = 1.4172951583308E+29 Bohr |
| 10000 Pm | = 1.8897268777744E+29 Bohr |
| 25000 Pm | = 4.7243171944359E+29 Bohr |
| 50000 Pm | = 9.4486343888718E+29 Bohr |
| 100000 Pm | = 1.8897268777744E+30 Bohr |
| 1000000 Pm | = 1.8897268777744E+31 Bohr |
| 1000000000 Pm | = 1.8897268777744E+34 Bohr |