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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.| 1551872798 Femtometers | to common length units |
|---|---|
| 1551872798 fm | = 1.551872798E-6 meters (m) |
| 1551872798 fm | = 1.551872798E-9 kilometers (km) |
| 1551872798 fm | = 0.0001551872798 centimeters (cm) |
| 1551872798 fm | = 5.091446187664E-6 feet (ft) |
| 1551872798 fm | = 6.1097354251969E-5 inches (in) |
| 1551872798 fm | = 1.6971487292213E-6 yards (yd) |
| 1551872798 fm | = 9.6428905069395E-10 miles (mi) |
| 1551872798 fm | = 1.6402841116161E-22 light years (ly) |
| 1551872798 fm | = 0.0058653467471303 pixels (PX) |
| 1551872798 fm | = 9.6992049875E+28 planck length (pl) |