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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 Rems (rem) is equal to 0.0042333328 meters, while 1 Astronomical Unit (au) = 149597870700 meters.| 639000000 Rems | to common length units |
|---|---|
| 639000000 rem | = 2705099.6592 meters (m) |
| 639000000 rem | = 2705.0996592 kilometers (km) |
| 639000000 rem | = 270509965.92 centimeters (cm) |
| 639000000 rem | = 8874998.8818898 feet (ft) |
| 639000000 rem | = 106499986.58268 inches (in) |
| 639000000 rem | = 2958332.9606299 yards (yd) |
| 639000000 rem | = 1680.8710003579 miles (mi) |
| 639000000 rem | = 2.8592111396258E-10 light years (ly) |
| 639000000 rem | = 10224000000 pixels (PX) |
| 639000000 rem | = 1.690687287E+41 planck length (pl) |