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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 Roman Actus (actus) = 35.5 meters.| 3958000000 Siriometer | to common length units |
|---|---|
| 3958000000 sir | = 5.921168E+26 meters (m) |
| 3958000000 sir | = 5.921168E+23 kilometers (km) |
| 3958000000 sir | = 5.921168E+28 centimeters (cm) |
| 3958000000 sir | = 1.9426404199475E+27 feet (ft) |
| 3958000000 sir | = 2.331168503937E+28 inches (in) |
| 3958000000 sir | = 6.4754680664917E+26 yards (yd) |
| 3958000000 sir | = 3.6792432195976E+23 miles (mi) |
| 3958000000 sir | = 62585012155.163 light years (ly) |
| 3958000000 sir | = 2.2379220457225E+30 pixels (PX) |
| 3958000000 sir | = 3.70073E+61 planck length (pl) |