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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.| 9489544158 Femtometers | to common length units |
|---|---|
| 9489544158 fm | = 9.489544158E-6 meters (m) |
| 9489544158 fm | = 9.489544158E-9 kilometers (km) |
| 9489544158 fm | = 0.0009489544158 centimeters (cm) |
| 9489544158 fm | = 3.1133675059055E-5 feet (ft) |
| 9489544158 fm | = 0.00037360410070866 inches (in) |
| 9489544158 fm | = 1.0377891686352E-5 yards (yd) |
| 9489544158 fm | = 5.8965293672453E-9 miles (mi) |
| 9489544158 fm | = 1.0030170339288E-21 light years (ly) |
| 9489544158 fm | = 0.035865998186582 pixels (PX) |
| 9489544158 fm | = 5.93096509875E+29 planck length (pl) |