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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 Zettameters (Zm) is equal to 1.0E+21 meters, while 1 Siriometer (sir) = 1.496E+17 meters.| 8967721398 Zettameters | to common length units |
|---|---|
| 8967721398 Zm | = 8.967721398E+30 meters (m) |
| 8967721398 Zm | = 8.967721398E+27 kilometers (km) |
| 8967721398 Zm | = 8.967721398E+32 centimeters (cm) |
| 8967721398 Zm | = 2.9421658129921E+31 feet (ft) |
| 8967721398 Zm | = 3.5305989755906E+32 inches (in) |
| 8967721398 Zm | = 9.8072193766404E+30 yards (yd) |
| 8967721398 Zm | = 5.5722837367275E+27 miles (mi) |
| 8967721398 Zm | = 9.4786189599408E+14 light years (ly) |
| 8967721398 Zm | = 3.3893754435749E+34 pixels (PX) |
| 8967721398 Zm | = 5.60482587375E+65 planck length (pl) |