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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.| 4211402871 Siriometer | to common length units |
|---|---|
| 4211402871 sir | = 6.300258695016E+26 meters (m) |
| 4211402871 sir | = 6.300258695016E+23 kilometers (km) |
| 4211402871 sir | = 6.300258695016E+28 centimeters (cm) |
| 4211402871 sir | = 2.0670140075512E+27 feet (ft) |
| 4211402871 sir | = 2.4804168090614E+28 inches (in) |
| 4211402871 sir | = 6.8900466918373E+26 yards (yd) |
| 4211402871 sir | = 3.9147992567257E+23 miles (mi) |
| 4211402871 sir | = 66591889810.971 light years (ly) |
| 4211402871 sir | = 2.3812004366927E+30 pixels (PX) |
| 4211402871 sir | = 3.937661684385E+61 planck length (pl) |