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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.| 633600 Siriometer | to common length units |
|---|---|
| 633600 sir | = 9.478656E+22 meters (m) |
| 633600 sir | = 9.478656E+19 kilometers (km) |
| 633600 sir | = 9.478656E+24 centimeters (cm) |
| 633600 sir | = 3.1097952755906E+23 feet (ft) |
| 633600 sir | = 3.7317543307087E+24 inches (in) |
| 633600 sir | = 1.0365984251969E+23 yards (yd) |
| 633600 sir | = 5.8897637795276E+19 miles (mi) |
| 633600 sir | = 10018661.875066 light years (ly) |
| 633600 sir | = 3.582484608817E+26 pixels (PX) |
| 633600 sir | = 5.92416E+57 planck length (pl) |