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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+
A span is the distance measured by a human hand, from the tip of the thumb to the tip of the little finger. In ancient times, a span was considered to be half a cubit. Someti ..more definition+
In relation to the base unit of [length] => (meters), 1 Rack Unit (ru) is equal to 0.04445 meters, while 1 Spans (span) = 0.2286 meters.| 1 Rack Unit | to common length units |
|---|---|
| 1 ru | = 0.04445 meters (m) |
| 1 ru | = 4.445E-5 kilometers (km) |
| 1 ru | = 4.445 centimeters (cm) |
| 1 ru | = 0.14583333333333 feet (ft) |
| 1 ru | = 1.75 inches (in) |
| 1 ru | = 0.048611111111111 yards (yd) |
| 1 ru | = 2.7619949494949E-5 miles (mi) |
| 1 ru | = 4.6982348588944E-18 light years (ly) |
| 1 ru | = 168.00002116536 pixels (PX) |
| 1 ru | = 2.778125E+33 planck length (pl) |
| Rack Unit | to Spans (table conversion) |
|---|---|
| 1 ru | = 0.19444444444444 span |
| 2 ru | = 0.38888888888889 span |
| 3 ru | = 0.58333333333333 span |
| 4 ru | = 0.77777777777778 span |
| 5 ru | = 0.97222222222222 span |
| 6 ru | = 1.1666666666667 span |
| 7 ru | = 1.3611111111111 span |
| 8 ru | = 1.5555555555556 span |
| 9 ru | = 1.75 span |
| 10 ru | = 1.9444444444444 span |
| 20 ru | = 3.8888888888889 span |
| 30 ru | = 5.8333333333333 span |
| 40 ru | = 7.7777777777778 span |
| 50 ru | = 9.7222222222222 span |
| 60 ru | = 11.666666666667 span |
| 70 ru | = 13.611111111111 span |
| 80 ru | = 15.555555555556 span |
| 90 ru | = 17.5 span |
| 100 ru | = 19.444444444444 span |
| 200 ru | = 38.888888888889 span |
| 300 ru | = 58.333333333333 span |
| 400 ru | = 77.777777777778 span |
| 500 ru | = 97.222222222222 span |
| 600 ru | = 116.66666666667 span |
| 700 ru | = 136.11111111111 span |
| 800 ru | = 155.55555555556 span |
| 900 ru | = 175 span |
| 1000 ru | = 194.44444444444 span |
| 2000 ru | = 388.88888888889 span |
| 4000 ru | = 777.77777777778 span |
| 5000 ru | = 972.22222222222 span |
| 7500 ru | = 1458.3333333333 span |
| 10000 ru | = 1944.4444444444 span |
| 25000 ru | = 4861.1111111111 span |
| 50000 ru | = 9722.2222222222 span |
| 100000 ru | = 19444.444444444 span |
| 1000000 ru | = 194444.44444444 span |
| 1000000000 ru | = 194444444.44444 span |