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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+
In relation to the base unit of [length] => (meters), 1 Light Days (ld) is equal to 25900000000000 meters, while 1 Rack Unit (ru) = 0.04445 meters.| 494400 Light Days | to common length units |
|---|---|
| 494400 ld | = 1.280496E+19 meters (m) |
| 494400 ld | = 1.280496E+16 kilometers (km) |
| 494400 ld | = 1.280496E+21 centimeters (cm) |
| 494400 ld | = 4.2011023622047E+19 feet (ft) |
| 494400 ld | = 5.0413228346457E+20 inches (in) |
| 494400 ld | = 1.4003674540682E+19 yards (yd) |
| 494400 ld | = 7.9566332617514E+15 miles (mi) |
| 494400 ld | = 1353.4467815242 light years (ly) |
| 494400 ld | = 4.8396705309821E+22 pixels (PX) |
| 494400 ld | = 8.0031E+53 planck length (pl) |