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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+
Plethron is a measurement used in Ancient times, equal to 100 Greek feet (pous). It was roughly the width of a typical athletic running-track, and was used as the st ..more definition+
In relation to the base unit of [length] => (meters), 1 Siriometer (sir) is equal to 1.496E+17 meters, while 1 Greek Plethron (pleth) = 30.8 meters.| 708500 Siriometer | to common length units |
|---|---|
| 708500 sir | = 1.059916E+23 meters (m) |
| 708500 sir | = 1.059916E+20 kilometers (km) |
| 708500 sir | = 1.059916E+25 centimeters (cm) |
| 708500 sir | = 3.4774146981627E+23 feet (ft) |
| 708500 sir | = 4.1728976377953E+24 inches (in) |
| 708500 sir | = 1.1591382327209E+23 yards (yd) |
| 708500 sir | = 6.5860126859143E+19 miles (mi) |
| 708500 sir | = 11203001.79685 light years (ly) |
| 708500 sir | = 4.0059822369741E+26 pixels (PX) |
| 708500 sir | = 6.624475E+57 planck length (pl) |