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A rack unit (abbreviated U or RU) is a unit of measure defined as 1.75 inches (44.45 mm). It is most frequently used as a measurement of the overall height of 19-inch and ..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 Rack Unit (ru) is equal to 0.04445 meters, while 1 Astronomical Unit (au) = 149597870700 meters.| 687000000000 Rack Unit | to common length units |
|---|---|
| 687000000000 ru | = 30537150000 meters (m) |
| 687000000000 ru | = 30537150 kilometers (km) |
| 687000000000 ru | = 3053715000000 centimeters (cm) |
| 687000000000 ru | = 100187500000 feet (ft) |
| 687000000000 ru | = 1202250000000 inches (in) |
| 687000000000 ru | = 33395833333.333 yards (yd) |
| 687000000000 ru | = 18974905.30303 miles (mi) |
| 687000000000 ru | = 3.2276873480605E-6 light years (ly) |
| 687000000000 ru | = 1.154160145406E+14 pixels (PX) |
| 687000000000 ru | = 1.908571875E+45 planck length (pl) |