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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 Fods (fod) = 0.3141 meters.| 671900 Siriometer | to common length units |
|---|---|
| 671900 sir | = 1.0051624E+23 meters (m) |
| 671900 sir | = 1.0051624E+20 kilometers (km) |
| 671900 sir | = 1.0051624E+25 centimeters (cm) |
| 671900 sir | = 3.2977769028871E+23 feet (ft) |
| 671900 sir | = 3.9573322834646E+24 inches (in) |
| 671900 sir | = 1.099258967629E+23 yards (yd) |
| 671900 sir | = 6.2457895888014E+19 miles (mi) |
| 671900 sir | = 10624272.275658 light years (ly) |
| 671900 sir | = 3.7990394707451E+26 pixels (PX) |
| 671900 sir | = 6.282265E+57 planck length (pl) |