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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.| 42750 Siriometer | to common length units |
|---|---|
| 42750 sir | = 6.3954E+21 meters (m) |
| 42750 sir | = 6.3954E+18 kilometers (km) |
| 42750 sir | = 6.3954E+23 centimeters (cm) |
| 42750 sir | = 2.0982283464567E+22 feet (ft) |
| 42750 sir | = 2.517874015748E+23 inches (in) |
| 42750 sir | = 6.994094488189E+21 yards (yd) |
| 42750 sir | = 3.9739173228346E+18 miles (mi) |
| 42750 sir | = 675975.05549096 light years (ly) |
| 42750 sir | = 2.4171593596421E+25 pixels (PX) |
| 42750 sir | = 3.997125E+56 planck length (pl) |