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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.| 3815331012 Femtometers | to common length units |
|---|---|
| 3815331012 fm | = 3.815331012E-6 meters (m) |
| 3815331012 fm | = 3.815331012E-9 kilometers (km) |
| 3815331012 fm | = 0.0003815331012 centimeters (cm) |
| 3815331012 fm | = 1.251749019685E-5 feet (ft) |
| 3815331012 fm | = 0.0001502098823622 inches (in) |
| 3815331012 fm | = 4.1724967322835E-6 yards (yd) |
| 3815331012 fm | = 2.3707367797065E-9 miles (mi) |
| 3815331012 fm | = 4.0326931740831E-22 light years (ly) |
| 3815331012 fm | = 0.014420150523484 pixels (PX) |
| 3815331012 fm | = 2.3845818825E+29 planck length (pl) |