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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+
The stadion (plural: stadia), was an ancient Greek unit of length, based on the length of a typical sports stadium of the time. According to Herodotus, one stadion wa ..more definition+
In relation to the base unit of [length] => (meters), 1 Siriometer (sir) is equal to 1.496E+17 meters, while 1 Greek Stadion (std) = 185 meters.| 7181579200 Siriometer | to common length units |
|---|---|
| 7181579200 sir | = 1.07436424832E+27 meters (m) |
| 7181579200 sir | = 1.07436424832E+24 kilometers (km) |
| 7181579200 sir | = 1.07436424832E+29 centimeters (cm) |
| 7181579200 sir | = 3.524817087664E+27 feet (ft) |
| 7181579200 sir | = 4.2297805051969E+28 inches (in) |
| 7181579200 sir | = 1.1749390292213E+27 yards (yd) |
| 7181579200 sir | = 6.6757899387577E+23 miles (mi) |
| 7181579200 sir | = 113557155514.22 light years (ly) |
| 7181579200 sir | = 4.0605897965593E+30 pixels (PX) |
| 7181579200 sir | = 6.714776552E+61 planck length (pl) |