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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.| 100 Femtometers | to common length units |
|---|---|
| 100 fm | = 1.0E-13 meters (m) |
| 100 fm | = 1.0E-16 kilometers (km) |
| 100 fm | = 1.0E-11 centimeters (cm) |
| 100 fm | = 3.2808398950131E-13 feet (ft) |
| 100 fm | = 3.9370078740157E-12 inches (in) |
| 100 fm | = 1.0936132983377E-13 yards (yd) |
| 100 fm | = 6.2137119223733E-17 miles (mi) |
| 100 fm | = 1.056970721911E-29 light years (ly) |
| 100 fm | = 3.7795280352161E-10 pixels (PX) |
| 100 fm | = 6.25E+21 planck length (pl) |