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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 Rems (rem) = 0.0042333328 meters.| 1640778987 Astronomical Unit | to common length units |
|---|---|
| 1640778987 au | = 2.454570427445E+20 meters (m) |
| 1640778987 au | = 2.454570427445E+17 kilometers (km) |
| 1640778987 au | = 2.454570427445E+22 centimeters (cm) |
| 1640778987 au | = 8.0530525834811E+20 feet (ft) |
| 1640778987 au | = 9.6636631001773E+21 inches (in) |
| 1640778987 au | = 2.6843508611604E+20 yards (yd) |
| 1640778987 au | = 1.525199352932E+17 miles (mi) |
| 1640778987 au | = 25944.09076678 light years (ly) |
| 1640778987 au | = 9.2771177449409E+23 pixels (PX) |
| 1640778987 au | = 1.5341065171531E+55 planck length (pl) |