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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.| 57 Femtometers | to common length units |
|---|---|
| 57 fm | = 5.7E-14 meters (m) |
| 57 fm | = 5.7E-17 kilometers (km) |
| 57 fm | = 5.7E-12 centimeters (cm) |
| 57 fm | = 1.8700787401575E-13 feet (ft) |
| 57 fm | = 2.244094488189E-12 inches (in) |
| 57 fm | = 6.2335958005249E-14 yards (yd) |
| 57 fm | = 3.5418157957528E-17 miles (mi) |
| 57 fm | = 6.0247331148927E-30 light years (ly) |
| 57 fm | = 2.1543309800732E-10 pixels (PX) |
| 57 fm | = 3.5625E+21 planck length (pl) |