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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 Megameters (Mm) = 1000000 meters.| 149000 Siriometer | to common length units |
|---|---|
| 149000 sir | = 2.22904E+22 meters (m) |
| 149000 sir | = 2.22904E+19 kilometers (km) |
| 149000 sir | = 2.22904E+24 centimeters (cm) |
| 149000 sir | = 7.3131233595801E+22 feet (ft) |
| 149000 sir | = 8.7757480314961E+23 inches (in) |
| 149000 sir | = 2.4377077865267E+22 yards (yd) |
| 149000 sir | = 1.3850612423447E+19 miles (mi) |
| 149000 sir | = 2356030.0179685 light years (ly) |
| 149000 sir | = 8.4247191716182E+25 pixels (PX) |
| 149000 sir | = 1.39315E+57 planck length (pl) |