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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.| 464600 Femtometers | to common length units |
|---|---|
| 464600 fm | = 4.646E-10 meters (m) |
| 464600 fm | = 4.646E-13 kilometers (km) |
| 464600 fm | = 4.646E-8 centimeters (cm) |
| 464600 fm | = 1.5242782152231E-9 feet (ft) |
| 464600 fm | = 1.8291338582677E-8 inches (in) |
| 464600 fm | = 5.080927384077E-10 yards (yd) |
| 464600 fm | = 2.8868905591347E-13 miles (mi) |
| 464600 fm | = 4.9106859739985E-26 light years (ly) |
| 464600 fm | = 1.7559687251614E-6 pixels (PX) |
| 464600 fm | = 2.90375E+25 planck length (pl) |