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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+
In relation to the base unit of [length] => (meters), 1 Petameters (Pm) is equal to 1000000000000000 meters, while 1 Greek Plethron (pleth) = 30.8 meters.| 978100 Petameters | to common length units |
|---|---|
| 978100 Pm | = 9.781E+20 meters (m) |
| 978100 Pm | = 9.781E+17 kilometers (km) |
| 978100 Pm | = 9.781E+22 centimeters (cm) |
| 978100 Pm | = 3.2089895013123E+21 feet (ft) |
| 978100 Pm | = 3.8507874015748E+22 inches (in) |
| 978100 Pm | = 1.0696631671041E+21 yards (yd) |
| 978100 Pm | = 6.0776316312734E+17 miles (mi) |
| 978100 Pm | = 103382.30631012 light years (ly) |
| 978100 Pm | = 3.6967563712449E+24 pixels (PX) |
| 978100 Pm | = 6.113125E+55 planck length (pl) |