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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 Zeptometers (zm) = 1.0E-21 meters.| 55000000 Siriometer | to common length units |
|---|---|
| 55000000 sir | = 8.228E+24 meters (m) |
| 55000000 sir | = 8.228E+21 kilometers (km) |
| 55000000 sir | = 8.228E+26 centimeters (cm) |
| 55000000 sir | = 2.6994750656168E+25 feet (ft) |
| 55000000 sir | = 3.2393700787402E+26 inches (in) |
| 55000000 sir | = 8.9982502187227E+24 yards (yd) |
| 55000000 sir | = 5.1126421697288E+21 miles (mi) |
| 55000000 sir | = 869675509.98837 light years (ly) |
| 55000000 sir | = 3.1097956673758E+28 pixels (PX) |
| 55000000 sir | = 5.1425E+59 planck length (pl) |