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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 Zettameters (Zm) = 1.0E+21 meters.| 1244924442 Siriometer | to common length units |
|---|---|
| 1244924442 sir | = 1.862406965232E+26 meters (m) |
| 1244924442 sir | = 1.862406965232E+23 kilometers (km) |
| 1244924442 sir | = 1.862406965232E+28 centimeters (cm) |
| 1244924442 sir | = 6.1102590722835E+26 feet (ft) |
| 1244924442 sir | = 7.3323108867402E+27 inches (in) |
| 1244924442 sir | = 2.0367530240945E+26 yards (yd) |
| 1244924442 sir | = 1.1572460364173E+23 miles (mi) |
| 1244924442 sir | = 19685096345.333 light years (ly) |
| 1244924442 sir | = 7.0390193380761E+29 pixels (PX) |
| 1244924442 sir | = 1.16400435327E+61 planck length (pl) |