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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.| 17 Siriometer | to common length units |
|---|---|
| 17 sir | = 2.5432E+18 meters (m) |
| 17 sir | = 2.5432E+15 kilometers (km) |
| 17 sir | = 2.5432E+20 centimeters (cm) |
| 17 sir | = 8.3438320209974E+18 feet (ft) |
| 17 sir | = 1.0012598425197E+20 inches (in) |
| 17 sir | = 2.7812773403325E+18 yards (yd) |
| 17 sir | = 1.580271216098E+15 miles (mi) |
| 17 sir | = 268.80879399641 light years (ly) |
| 17 sir | = 9.6120956991617E+21 pixels (PX) |
| 17 sir | = 1.5895E+53 planck length (pl) |