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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+
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 Greek Plethron (pleth) is equal to 30.8 meters, while 1 Siriometer (sir) = 1.496E+17 meters.| 1625269021 Greek Plethron | to common length units |
|---|---|
| 1625269021 pleth | = 50058285846.8 meters (m) |
| 1625269021 pleth | = 50058285.8468 kilometers (km) |
| 1625269021 pleth | = 5005828584680 centimeters (cm) |
| 1625269021 pleth | = 164233221282.15 feet (ft) |
| 1625269021 pleth | = 1970798655385.8 inches (in) |
| 1625269021 pleth | = 54744407094.051 yards (yd) |
| 1625269021 pleth | = 31104776.757983 miles (mi) |
| 1625269021 pleth | = 5.291014252912E-6 light years (ly) |
| 1625269021 pleth | = 1.8919669475284E+14 pixels (PX) |
| 1625269021 pleth | = 3.128642865425E+45 planck length (pl) |