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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.
A city block is between 1⁄20 and 1⁄8 mi (80 and 200 m). In Manhattan, the measurement "block" usually refers to a north–south block, which is 1⁄20 miles or 80 meters. Someti ..more definition+
In relation to the base unit of [length] => (meters), 1 Bohr Radius (Bohr) is equal to 5.29177E-11 meters, while 1 Blocks (bl) = 80.4672 meters.| 391000 Bohr Radius | to common length units |
|---|---|
| 391000 Bohr | = 2.06908207E-5 meters (m) |
| 391000 Bohr | = 2.06908207E-8 kilometers (km) |
| 391000 Bohr | = 0.00206908207 centimeters (cm) |
| 391000 Bohr | = 6.7883270013123E-5 feet (ft) |
| 391000 Bohr | = 0.00081459924015748 inches (in) |
| 391000 Bohr | = 2.2627756671041E-5 yards (yd) |
| 391000 Bohr | = 1.2856679926728E-8 miles (mi) |
| 391000 Bohr | = 2.186959169221E-21 light years (ly) |
| 391000 Bohr | = 0.07820153690728 pixels (PX) |
| 391000 Bohr | = 1.29317629375E+30 planck length (pl) |