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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+
Alen or aln is a traditional Scandinavian unit of distance similar to the north German elle: roughly 60 centimeters. The Danish alen, also used in Norway, was equal to 62.77 centimeters (2 Danish fod). The Swedish aln was 59.38 centimeters.
In relation to the base unit of [length] => (meters), 1 Rack Unit (ru) is equal to 0.04445 meters, while 1 Alens (aln) = 0.593778 meters.| 690000000 Rack Unit | to common length units |
|---|---|
| 690000000 ru | = 30670500 meters (m) |
| 690000000 ru | = 30670.5 kilometers (km) |
| 690000000 ru | = 3067050000 centimeters (cm) |
| 690000000 ru | = 100625000 feet (ft) |
| 690000000 ru | = 1207500000 inches (in) |
| 690000000 ru | = 33541666.666667 yards (yd) |
| 690000000 ru | = 19057.765151515 miles (mi) |
| 690000000 ru | = 3.2417820526371E-9 light years (ly) |
| 690000000 ru | = 115920014604.1 pixels (PX) |
| 690000000 ru | = 1.91690625E+42 planck length (pl) |