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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.| 447000000 Siriometer | to common length units |
|---|---|
| 447000000 sir | = 6.68712E+25 meters (m) |
| 447000000 sir | = 6.68712E+22 kilometers (km) |
| 447000000 sir | = 6.68712E+27 centimeters (cm) |
| 447000000 sir | = 2.193937007874E+26 feet (ft) |
| 447000000 sir | = 2.6327244094488E+27 inches (in) |
| 447000000 sir | = 7.3131233595801E+25 yards (yd) |
| 447000000 sir | = 4.1551837270341E+22 miles (mi) |
| 447000000 sir | = 7068090053.9055 light years (ly) |
| 447000000 sir | = 2.5274157514854E+29 pixels (PX) |
| 447000000 sir | = 4.17945E+60 planck length (pl) |