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Plethron is a measurement used in Ancient times, equal to 100 Greek feet (pous). It was roughly the width of a typical athletic running-track, and was used as the st ..more definition+
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.
In relation to the base unit of [length] => (meters), 1 Greek Plethron (pleth) is equal to 30.8 meters, while 1 Fermi (fermi) = 1.0E-15 meters.| 181000000000 Greek Plethron | to common length units |
|---|---|
| 181000000000 pleth | = 5574800000000 meters (m) |
| 181000000000 pleth | = 5574800000 kilometers (km) |
| 181000000000 pleth | = 5.5748E+14 centimeters (cm) |
| 181000000000 pleth | = 18290026246719 feet (ft) |
| 181000000000 pleth | = 2.1948031496063E+14 inches (in) |
| 181000000000 pleth | = 6096675415573.1 yards (yd) |
| 181000000000 pleth | = 3464020122.4847 miles (mi) |
| 181000000000 pleth | = 0.00058924003805095 light years (ly) |
| 181000000000 pleth | = 2.1070112890723E+16 pixels (PX) |
| 181000000000 pleth | = 3.48425E+47 planck length (pl) |