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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 Light Days (ld) is equal to 25900000000000 meters, while 1 Astronomical Unit (au) = 149597870700 meters.| 686900 Light Days | to common length units |
|---|---|
| 686900 ld | = 1.779071E+19 meters (m) |
| 686900 ld | = 1.779071E+16 kilometers (km) |
| 686900 ld | = 1.779071E+21 centimeters (cm) |
| 686900 ld | = 5.8368471128609E+19 feet (ft) |
| 686900 ld | = 7.0042165354331E+20 inches (in) |
| 686900 ld | = 1.945615704287E+19 yards (yd) |
| 686900 ld | = 1.1054634683449E+16 miles (mi) |
| 686900 ld | = 1880.4259592009 light years (ly) |
| 686900 ld | = 6.72404872114E+22 pixels (PX) |
| 686900 ld | = 1.111919375E+54 planck length (pl) |