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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.| 56 Siriometer | to common length units |
|---|---|
| 56 sir | = 8.3776E+18 meters (m) |
| 56 sir | = 8.3776E+15 kilometers (km) |
| 56 sir | = 8.3776E+20 centimeters (cm) |
| 56 sir | = 2.7485564304462E+19 feet (ft) |
| 56 sir | = 3.2982677165354E+20 inches (in) |
| 56 sir | = 9.161854768154E+18 yards (yd) |
| 56 sir | = 5.2055993000875E+15 miles (mi) |
| 56 sir | = 885.48779198816 light years (ly) |
| 56 sir | = 3.1663374067827E+22 pixels (PX) |
| 56 sir | = 5.236E+53 planck length (pl) |