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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 Perch (perch) is equal to 5.0292 meters, while 1 Bohr Radius (Bohr) = 5.29177E-11 meters.| 27 Perch | to common length units |
|---|---|
| 27 perch | = 135.7884 meters (m) |
| 27 perch | = 0.1357884 kilometers (km) |
| 27 perch | = 13578.84 centimeters (cm) |
| 27 perch | = 445.5 feet (ft) |
| 27 perch | = 5346 inches (in) |
| 27 perch | = 148.5 yards (yd) |
| 27 perch | = 0.084375 miles (mi) |
| 27 perch | = 1.4352436317514E-14 light years (ly) |
| 27 perch | = 513216.06465714 pixels (PX) |
| 27 perch | = 8.486775E+36 planck length (pl) |