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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 Zettameters (Zm) = 1.0E+21 meters.| 239000 Siriometer | to common length units |
|---|---|
| 239000 sir | = 3.57544E+22 meters (m) |
| 239000 sir | = 3.57544E+19 kilometers (km) |
| 239000 sir | = 3.57544E+24 centimeters (cm) |
| 239000 sir | = 1.1730446194226E+23 feet (ft) |
| 239000 sir | = 1.4076535433071E+24 inches (in) |
| 239000 sir | = 3.9101487314086E+22 yards (yd) |
| 239000 sir | = 2.2216754155731E+19 miles (mi) |
| 239000 sir | = 3779135.3979495 light years (ly) |
| 239000 sir | = 1.3513475718233E+26 pixels (PX) |
| 239000 sir | = 2.23465E+57 planck length (pl) |