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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+
In relation to the base unit of [length] => (meters), 1 Femtometers (fm) is equal to 1.0E-15 meters, while 1 Siriometer (sir) = 1.496E+17 meters.| 8621412938 Femtometers | to common length units |
|---|---|
| 8621412938 fm | = 8.621412938E-6 meters (m) |
| 8621412938 fm | = 8.621412938E-9 kilometers (km) |
| 8621412938 fm | = 0.0008621412938 centimeters (cm) |
| 8621412938 fm | = 2.8285475518373E-5 feet (ft) |
| 8621412938 fm | = 0.00033942570622047 inches (in) |
| 8621412938 fm | = 9.4284918394576E-6 yards (yd) |
| 8621412938 fm | = 5.3570976360554E-9 miles (mi) |
| 8621412938 fm | = 9.1125810569707E-22 light years (ly) |
| 8621412938 fm | = 0.032584871902346 pixels (PX) |
| 8621412938 fm | = 5.38838308625E+29 planck length (pl) |