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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.| 47 Siriometer | to common length units |
|---|---|
| 47 sir | = 7.0312E+18 meters (m) |
| 47 sir | = 7.0312E+15 kilometers (km) |
| 47 sir | = 7.0312E+20 centimeters (cm) |
| 47 sir | = 2.3068241469816E+19 feet (ft) |
| 47 sir | = 2.768188976378E+20 inches (in) |
| 47 sir | = 7.6894138232721E+18 yards (yd) |
| 47 sir | = 4.3689851268591E+15 miles (mi) |
| 47 sir | = 743.17725399006 light years (ly) |
| 47 sir | = 2.6574617521212E+22 pixels (PX) |
| 47 sir | = 4.3945E+53 planck length (pl) |