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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+
A span is the distance measured by a human hand, from the tip of the thumb to the tip of the little finger. In ancient times, a span was considered to be half a cubit. Someti ..more definition+
In relation to the base unit of [length] => (meters), 1 Siriometer (sir) is equal to 1.496E+17 meters, while 1 Spans (span) = 0.2286 meters.| 177100 Siriometer | to common length units |
|---|---|
| 177100 sir | = 2.649416E+22 meters (m) |
| 177100 sir | = 2.649416E+19 kilometers (km) |
| 177100 sir | = 2.649416E+24 centimeters (cm) |
| 177100 sir | = 8.6923097112861E+22 feet (ft) |
| 177100 sir | = 1.0430771653543E+24 inches (in) |
| 177100 sir | = 2.8974365704287E+22 yards (yd) |
| 177100 sir | = 1.6462707786527E+19 miles (mi) |
| 177100 sir | = 2800355.1421626 light years (ly) |
| 177100 sir | = 1.001354204895E+26 pixels (PX) |
| 177100 sir | = 1.655885E+57 planck length (pl) |