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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.| 8708942474 Femtometers | to common length units |
|---|---|
| 8708942474 fm | = 8.708942474E-6 meters (m) |
| 8708942474 fm | = 8.708942474E-9 kilometers (km) |
| 8708942474 fm | = 0.0008708942474 centimeters (cm) |
| 8708942474 fm | = 2.8572645912073E-5 feet (ft) |
| 8708942474 fm | = 0.00034287175094488 inches (in) |
| 8708942474 fm | = 9.5242153040245E-6 yards (yd) |
| 8708942474 fm | = 5.4114859681957E-9 miles (mi) |
| 8708942474 fm | = 9.2050972138252E-22 light years (ly) |
| 8708942474 fm | = 0.032915692237568 pixels (PX) |
| 8708942474 fm | = 5.44308904625E+29 planck length (pl) |