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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+
The millimeter (symbol = mm), or millimetre (British spelling) is a unit of length in the metric system, equal to one thousandth of a meter, which is the SI base unit ..more definition+
In relation to the base unit of [length] => (meters), 1 Astronomical Unit (au) is equal to 149597870700 meters, while 1 Millimeters (mm) = 0.001 meters.| 3900 Astronomical Unit | to common length units |
|---|---|
| 3900 au | = 583431695730000 meters (m) |
| 3900 au | = 583431695730 kilometers (km) |
| 3900 au | = 5.8343169573E+16 centimeters (cm) |
| 3900 au | = 1.9141459833661E+15 feet (ft) |
| 3900 au | = 2.2969751800394E+16 inches (in) |
| 3900 au | = 6.3804866112205E+14 yards (yd) |
| 3900 au | = 362527648364.8 miles (mi) |
| 3900 au | = 0.06166702206215 light years (ly) |
| 3900 au | = 2.2050964506452E+18 pixels (PX) |
| 3900 au | = 3.6464480983125E+49 planck length (pl) |