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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 Femtometers (fm) = 1.0E-15 meters.| 2257709437 Siriometer | to common length units |
|---|---|
| 2257709437 sir | = 3.377533317752E+26 meters (m) |
| 2257709437 sir | = 3.377533317752E+23 kilometers (km) |
| 2257709437 sir | = 3.377533317752E+28 centimeters (cm) |
| 2257709437 sir | = 1.1081146055617E+27 feet (ft) |
| 2257709437 sir | = 1.329737526674E+28 inches (in) |
| 2257709437 sir | = 3.6937153518723E+26 yards (yd) |
| 2257709437 sir | = 2.0987019044729E+23 miles (mi) |
| 2257709437 sir | = 35699538291.428 light years (ly) |
| 2257709437 sir | = 1.276548186432E+30 pixels (PX) |
| 2257709437 sir | = 2.110958323595E+61 planck length (pl) |