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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+
Plethron is a measurement used in Ancient times, equal to 100 Greek feet (pous). It was roughly the width of a typical athletic running-track, and was used as the st ..more definition+
In relation to the base unit of [length] => (meters), 1 Rack Unit (ru) is equal to 0.04445 meters, while 1 Greek Plethron (pleth) = 30.8 meters.| 57 Rack Unit | to common length units |
|---|---|
| 57 ru | = 2.53365 meters (m) |
| 57 ru | = 0.00253365 kilometers (km) |
| 57 ru | = 253.365 centimeters (cm) |
| 57 ru | = 8.3125 feet (ft) |
| 57 ru | = 99.75 inches (in) |
| 57 ru | = 2.7708333333333 yards (yd) |
| 57 ru | = 0.0015743371212121 miles (mi) |
| 57 ru | = 2.6779938695698E-16 light years (ly) |
| 57 ru | = 9576.0012064253 pixels (PX) |
| 57 ru | = 1.58353125E+35 planck length (pl) |