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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 Light Days (ld) = 25900000000000 meters.| 249800 Siriometer | to common length units |
|---|---|
| 249800 sir | = 3.737008E+22 meters (m) |
| 249800 sir | = 3.737008E+19 kilometers (km) |
| 249800 sir | = 3.737008E+24 centimeters (cm) |
| 249800 sir | = 1.2260524934383E+23 feet (ft) |
| 249800 sir | = 1.471262992126E+24 inches (in) |
| 249800 sir | = 4.0868416447944E+22 yards (yd) |
| 249800 sir | = 2.3220691163605E+19 miles (mi) |
| 249800 sir | = 3949908.0435472 light years (ly) |
| 249800 sir | = 1.4124126503827E+26 pixels (PX) |
| 249800 sir | = 2.33563E+57 planck length (pl) |