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The astronomical unit (symbol au, or ua) is a unit of length, roughly the distance from Earth to the Sun. However, that distance varies as Earth orbits the Sun, f ..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 Astronomical Unit (au) is equal to 149597870700 meters, while 1 Greek Plethron (pleth) = 30.8 meters.| 257500 Astronomical Unit | to common length units |
|---|---|
| 257500 au | = 38521451705250000 meters (m) |
| 257500 au | = 38521451705250 kilometers (km) |
| 257500 au | = 3.852145170525E+18 centimeters (cm) |
| 257500 au | = 1.2638271556841E+17 feet (ft) |
| 257500 au | = 1.5165925868209E+18 inches (in) |
| 257500 au | = 4.2127571856135E+16 yards (yd) |
| 257500 au | = 23936120372804 miles (mi) |
| 257500 au | = 4.0716046617958 light years (ly) |
| 257500 au | = 1.4559290667722E+20 pixels (PX) |
| 257500 au | = 2.4075907315781E+51 planck length (pl) |