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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.| 4450 Femtometers | to common length units |
|---|---|
| 4450 fm | = 4.45E-12 meters (m) |
| 4450 fm | = 4.45E-15 kilometers (km) |
| 4450 fm | = 4.45E-10 centimeters (cm) |
| 4450 fm | = 1.4599737532808E-11 feet (ft) |
| 4450 fm | = 1.751968503937E-10 inches (in) |
| 4450 fm | = 4.8665791776028E-12 yards (yd) |
| 4450 fm | = 2.7651018054561E-15 miles (mi) |
| 4450 fm | = 4.703519712504E-28 light years (ly) |
| 4450 fm | = 1.6818899756712E-8 pixels (PX) |
| 4450 fm | = 2.78125E+23 planck length (pl) |