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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.3905231731 Light Days | to common length units |
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3905231731 ld | = 1.011455018329E+23 meters (m) |
3905231731 ld | = 1.011455018329E+20 kilometers (km) |
3905231731 ld | = 1.011455018329E+25 centimeters (cm) |
3905231731 ld | = 3.318421976145E+23 feet (ft) |
3905231731 ld | = 3.982106371374E+24 inches (in) |
3905231731 ld | = 1.106140658715E+23 yards (yd) |
3905231731 ld | = 6.2848901063353E+19 miles (mi) |
3905231731 ld | = 10690783.409037 light years (ly) |
3905231731 ld | = 3.8228225981345E+26 pixels (PX) |
3905231731 ld | = 6.3215938645563E+57 planck length (pl) |