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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.| 6627000000 Siriometer | to common length units |
|---|---|
| 6627000000 sir | = 9.913992E+26 meters (m) |
| 6627000000 sir | = 9.913992E+23 kilometers (km) |
| 6627000000 sir | = 9.913992E+28 centimeters (cm) |
| 6627000000 sir | = 3.2526220472441E+27 feet (ft) |
| 6627000000 sir | = 3.9031464566929E+28 inches (in) |
| 6627000000 sir | = 1.0842073490814E+27 yards (yd) |
| 6627000000 sir | = 6.1602690288714E+23 miles (mi) |
| 6627000000 sir | = 104787992812.6 light years (ly) |
| 6627000000 sir | = 3.7470210704908E+30 pixels (PX) |
| 6627000000 sir | = 6.196245E+61 planck length (pl) |