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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+
In relation to the base unit of [length] => (meters), 1 Astronomical Unit (au) is equal to 149597870700 meters, while 1 Bicrons (μμ) = 1.0E-12 meters.| 638000000000 Astronomical Unit | to common length units |
|---|---|
| 638000000000 au | = 9.54434415066E+22 meters (m) |
| 638000000000 au | = 9.54434415066E+19 kilometers (km) |
| 638000000000 au | = 9.54434415066E+24 centimeters (cm) |
| 638000000000 au | = 3.131346506122E+23 feet (ft) |
| 638000000000 au | = 3.7576158073465E+24 inches (in) |
| 638000000000 au | = 1.0437821687073E+23 yards (yd) |
| 638000000000 au | = 5.930580504019E+19 miles (mi) |
| 638000000000 au | = 10088092.32709 light years (ly) |
| 638000000000 au | = 3.6073116295171E+26 pixels (PX) |
| 638000000000 au | = 5.9652150941625E+57 planck length (pl) |