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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 Zettameters (Zm) = 1.0E+21 meters.| 288300 Siriometer | to common length units |
|---|---|
| 288300 sir | = 4.312968E+22 meters (m) |
| 288300 sir | = 4.312968E+19 kilometers (km) |
| 288300 sir | = 4.312968E+24 centimeters (cm) |
| 288300 sir | = 1.4150157480315E+23 feet (ft) |
| 288300 sir | = 1.6980188976378E+24 inches (in) |
| 288300 sir | = 4.716719160105E+22 yards (yd) |
| 288300 sir | = 2.6799540682415E+19 miles (mi) |
| 288300 sir | = 4558680.9005391 light years (ly) |
| 288300 sir | = 1.630098347099E+26 pixels (PX) |
| 288300 sir | = 2.695605E+57 planck length (pl) |