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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.
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+
In relation to the base unit of [length] => (meters), 1 Fermi (fermi) is equal to 1.0E-15 meters, while 1 Greek Plethron (pleth) = 30.8 meters.| 3984000000000 Fermi | to common length units |
|---|---|
| 3984000000000 fermi | = 0.003984 meters (m) |
| 3984000000000 fermi | = 3.984E-6 kilometers (km) |
| 3984000000000 fermi | = 0.3984 centimeters (cm) |
| 3984000000000 fermi | = 0.013070866141732 feet (ft) |
| 3984000000000 fermi | = 0.15685039370079 inches (in) |
| 3984000000000 fermi | = 0.0043569553805774 yards (yd) |
| 3984000000000 fermi | = 2.4755428298735E-6 miles (mi) |
| 3984000000000 fermi | = 4.2109713560934E-19 light years (ly) |
| 3984000000000 fermi | = 15.057639692301 pixels (PX) |
| 3984000000000 fermi | = 2.49E+32 planck length (pl) |