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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.| 123000 Siriometer | to common length units |
|---|---|
| 123000 sir | = 1.84008E+22 meters (m) |
| 123000 sir | = 1.84008E+19 kilometers (km) |
| 123000 sir | = 1.84008E+24 centimeters (cm) |
| 123000 sir | = 6.0370078740157E+22 feet (ft) |
| 123000 sir | = 7.2444094488189E+23 inches (in) |
| 123000 sir | = 2.0123359580052E+22 yards (yd) |
| 123000 sir | = 1.1433727034121E+19 miles (mi) |
| 123000 sir | = 1944910.685974 light years (ly) |
| 123000 sir | = 6.9546339470405E+25 pixels (PX) |
| 123000 sir | = 1.15005E+57 planck length (pl) |