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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+
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 Millimeters (mm) is equal to 0.001 meters, while 1 Astronomical Unit (au) = 149597870700 meters.| 640100 Millimeters | to common length units |
|---|---|
| 640100 mm | = 640.1 meters (m) |
| 640100 mm | = 0.6401 kilometers (km) |
| 640100 mm | = 64010 centimeters (cm) |
| 640100 mm | = 2100.0656167979 feet (ft) |
| 640100 mm | = 25200.787401575 inches (in) |
| 640100 mm | = 700.02187226597 yards (yd) |
| 640100 mm | = 0.39773970015112 miles (mi) |
| 640100 mm | = 6.7656695909523E-14 light years (ly) |
| 640100 mm | = 2419275.8953418 pixels (PX) |
| 640100 mm | = 4.000625E+37 planck length (pl) |