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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.| 1 Fermi | to common length units |
|---|---|
| 1 fermi | = 1.0E-15 meters (m) |
| 1 fermi | = 1.0E-18 kilometers (km) |
| 1 fermi | = 1.0E-13 centimeters (cm) |
| 1 fermi | = 3.2808398950131E-15 feet (ft) |
| 1 fermi | = 3.9370078740157E-14 inches (in) |
| 1 fermi | = 1.0936132983377E-15 yards (yd) |
| 1 fermi | = 6.2137119223733E-19 miles (mi) |
| 1 fermi | = 1.056970721911E-31 light years (ly) |
| 1 fermi | = 3.7795280352161E-12 pixels (PX) |
| 1 fermi | = 6.25E+19 planck length (pl) |
| Fermi | to Greek Plethron (table conversion) |
|---|---|
| 1 fermi | = 3.2467532467532E-17 pleth |
| 2 fermi | = 6.4935064935065E-17 pleth |
| 3 fermi | = 9.7402597402597E-17 pleth |
| 4 fermi | = 1.2987012987013E-16 pleth |
| 5 fermi | = 1.6233766233766E-16 pleth |
| 6 fermi | = 1.9480519480519E-16 pleth |
| 7 fermi | = 2.2727272727273E-16 pleth |
| 8 fermi | = 2.5974025974026E-16 pleth |
| 9 fermi | = 2.9220779220779E-16 pleth |
| 10 fermi | = 3.2467532467532E-16 pleth |
| 20 fermi | = 6.4935064935065E-16 pleth |
| 30 fermi | = 9.7402597402597E-16 pleth |
| 40 fermi | = 1.2987012987013E-15 pleth |
| 50 fermi | = 1.6233766233766E-15 pleth |
| 60 fermi | = 1.9480519480519E-15 pleth |
| 70 fermi | = 2.2727272727273E-15 pleth |
| 80 fermi | = 2.5974025974026E-15 pleth |
| 90 fermi | = 2.9220779220779E-15 pleth |
| 100 fermi | = 3.2467532467532E-15 pleth |
| 200 fermi | = 6.4935064935065E-15 pleth |
| 300 fermi | = 9.7402597402597E-15 pleth |
| 400 fermi | = 1.2987012987013E-14 pleth |
| 500 fermi | = 1.6233766233766E-14 pleth |
| 600 fermi | = 1.9480519480519E-14 pleth |
| 700 fermi | = 2.2727272727273E-14 pleth |
| 800 fermi | = 2.5974025974026E-14 pleth |
| 900 fermi | = 2.9220779220779E-14 pleth |
| 1000 fermi | = 3.2467532467532E-14 pleth |
| 2000 fermi | = 6.4935064935065E-14 pleth |
| 4000 fermi | = 1.2987012987013E-13 pleth |
| 5000 fermi | = 1.6233766233766E-13 pleth |
| 7500 fermi | = 2.4350649350649E-13 pleth |
| 10000 fermi | = 3.2467532467532E-13 pleth |
| 25000 fermi | = 8.1168831168831E-13 pleth |
| 50000 fermi | = 1.6233766233766E-12 pleth |
| 100000 fermi | = 3.2467532467532E-12 pleth |
| 1000000 fermi | = 3.2467532467532E-11 pleth |
| 1000000000 fermi | = 3.2467532467532E-8 pleth |