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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 Siriometer (sir) is equal to 1.496E+17 meters, while 1 Femtometers (fm) = 1.0E-15 meters.| 8466690706 Siriometer | to common length units |
|---|---|
| 8466690706 sir | = 1.2666169296176E+27 meters (m) |
| 8466690706 sir | = 1.2666169296176E+24 kilometers (km) |
| 8466690706 sir | = 1.2666169296176E+29 centimeters (cm) |
| 8466690706 sir | = 4.1555673543885E+27 feet (ft) |
| 8466690706 sir | = 4.9866808252661E+28 inches (in) |
| 8466690706 sir | = 1.3851891181295E+27 yards (yd) |
| 8466690706 sir | = 7.8703927166448E+23 miles (mi) |
| 8466690706 sir | = 133877701048.26 light years (ly) |
| 8466690706 sir | = 4.7872141953691E+30 pixels (PX) |
| 8466690706 sir | = 7.91635581011E+61 planck length (pl) |