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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.
In relation to the base unit of [length] => (meters), 1 Light Days (ld) is equal to 25900000000000 meters, while 1 Fermi (fermi) = 1.0E-15 meters.| 27 Light Days | to common length units |
|---|---|
| 27 ld | = 699300000000000 meters (m) |
| 27 ld | = 699300000000 kilometers (km) |
| 27 ld | = 6.993E+16 centimeters (cm) |
| 27 ld | = 2.2942913385827E+15 feet (ft) |
| 27 ld | = 2.7531496062992E+16 inches (in) |
| 27 ld | = 7.6476377952756E+14 yards (yd) |
| 27 ld | = 434524874731.57 miles (mi) |
| 27 ld | = 0.073913962583236 light years (ly) |
| 27 ld | = 2.6430239550266E+18 pixels (PX) |
| 27 ld | = 4.370625E+49 planck length (pl) |