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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.| 284900 Siriometer | to common length units |
|---|---|
| 284900 sir | = 4.262104E+22 meters (m) |
| 284900 sir | = 4.262104E+19 kilometers (km) |
| 284900 sir | = 4.262104E+24 centimeters (cm) |
| 284900 sir | = 1.3983280839895E+23 feet (ft) |
| 284900 sir | = 1.6779937007874E+24 inches (in) |
| 284900 sir | = 4.6610936132983E+22 yards (yd) |
| 284900 sir | = 2.6483486439195E+19 miles (mi) |
| 284900 sir | = 4504919.1417398 light years (ly) |
| 284900 sir | = 1.6108741557007E+26 pixels (PX) |
| 284900 sir | = 2.663815E+57 planck length (pl) |