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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 twip (abbreviating "twentieth of a point", "twentieth of an inch point") is a typographical measurement, defined as 1/20 of a typographical point. One twip is 1/1440 inch o ..more definition+
In relation to the base unit of [length] => (meters), 1 Bohr Radius (Bohr) is equal to 5.29177E-11 meters, while 1 Twips (twip) = 1.7639E-5 meters.221000000 Bohr Radius | to common length units |
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221000000 Bohr | = 0.0116948117 meters (m) |
221000000 Bohr | = 1.16948117E-5 kilometers (km) |
221000000 Bohr | = 1.16948117 centimeters (cm) |
221000000 Bohr | = 0.038368804790026 feet (ft) |
221000000 Bohr | = 0.46042565748031 inches (in) |
221000000 Bohr | = 0.012789601596675 yards (yd) |
221000000 Bohr | = 7.2668190890201E-6 miles (mi) |
221000000 Bohr | = 1.2361073565162E-18 light years (ly) |
221000000 Bohr | = 44.200868686724 pixels (PX) |
221000000 Bohr | = 7.3092573125E+32 planck length (pl) |