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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.| 91 Light Days | to common length units |
|---|---|
| 91 ld | = 2356900000000000 meters (m) |
| 91 ld | = 2356900000000 kilometers (km) |
| 91 ld | = 2.3569E+17 centimeters (cm) |
| 91 ld | = 7.7326115485564E+15 feet (ft) |
| 91 ld | = 9.2791338582677E+16 inches (in) |
| 91 ld | = 2.5775371828521E+15 yards (yd) |
| 91 ld | = 1464509762984.2 miles (mi) |
| 91 ld | = 0.2491174294472 light years (ly) |
| 91 ld | = 8.9079696262009E+18 pixels (PX) |
| 91 ld | = 1.4730625E+50 planck length (pl) |