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A unit of length used to measure nuclear distances, = 10−15 meter. Named for the Italian physicist Enrico Fermi (1901–1954). Now obsolete, replaced by the SI term femtometer (symbol, fm); 1 fermi = 1 femtometer.
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 Fermi (fermi) is equal to 1.0E-15 meters, while 1 Bohr Radius (Bohr) = 5.29177E-11 meters.| 800 Fermi | to common length units |
|---|---|
| 800 fermi | = 8.0E-13 meters (m) |
| 800 fermi | = 8.0E-16 kilometers (km) |
| 800 fermi | = 8.0E-11 centimeters (cm) |
| 800 fermi | = 2.6246719160105E-12 feet (ft) |
| 800 fermi | = 3.1496062992126E-11 inches (in) |
| 800 fermi | = 8.7489063867017E-13 yards (yd) |
| 800 fermi | = 4.9709695378987E-16 miles (mi) |
| 800 fermi | = 8.455765775288E-29 light years (ly) |
| 800 fermi | = 3.0236224281729E-9 pixels (PX) |
| 800 fermi | = 5.0E+22 planck length (pl) |