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The siriometer is a rarely used and an obsolete astronomical unit of length, defined to be equal to about one million astronomical units (au). One siriometer is approxim ..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 Siriometer (sir) is equal to 1.496E+17 meters, while 1 Fermi (fermi) = 1.0E-15 meters.| 3117000000000 Siriometer | to common length units |
|---|---|
| 3117000000000 sir | = 4.663032E+29 meters (m) |
| 3117000000000 sir | = 4.663032E+26 kilometers (km) |
| 3117000000000 sir | = 4.663032E+31 centimeters (cm) |
| 3117000000000 sir | = 1.5298661417323E+30 feet (ft) |
| 3117000000000 sir | = 1.8358393700787E+31 inches (in) |
| 3117000000000 sir | = 5.0995538057743E+29 yards (yd) |
| 3117000000000 sir | = 2.8974737532808E+26 miles (mi) |
| 3117000000000 sir | = 49286882993341 light years (ly) |
| 3117000000000 sir | = 1.762406017311E+33 pixels (PX) |
| 3117000000000 sir | = 2.914395E+64 planck length (pl) |