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 23-inch rack frames, as well as the height ..more definition+
The light-second is a unit of length useful in astronomy, telecommunications and relativistic physics. It is defined as the distance that light travels in free space in one second, and is equal to exactly 2997 ..more definition+
In relation to the base unit of [length] => (meters), 1 Rack Unit (ru) is equal to 0.04445 meters, while 1 Light Seconds (ls) = 299800000 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 Light Seconds (table conversion) |
|---|---|
| 1 ru | = 1.4826551034023E-10 ls |
| 2 ru | = 2.9653102068045E-10 ls |
| 3 ru | = 4.4479653102068E-10 ls |
| 4 ru | = 5.9306204136091E-10 ls |
| 5 ru | = 7.4132755170113E-10 ls |
| 6 ru | = 8.8959306204136E-10 ls |
| 7 ru | = 1.0378585723816E-9 ls |
| 8 ru | = 1.1861240827218E-9 ls |
| 9 ru | = 1.334389593062E-9 ls |
| 10 ru | = 1.4826551034023E-9 ls |
| 20 ru | = 2.9653102068045E-9 ls |
| 30 ru | = 4.4479653102068E-9 ls |
| 40 ru | = 5.9306204136091E-9 ls |
| 50 ru | = 7.4132755170113E-9 ls |
| 60 ru | = 8.8959306204136E-9 ls |
| 70 ru | = 1.0378585723816E-8 ls |
| 80 ru | = 1.1861240827218E-8 ls |
| 90 ru | = 1.334389593062E-8 ls |
| 100 ru | = 1.4826551034023E-8 ls |
| 200 ru | = 2.9653102068045E-8 ls |
| 300 ru | = 4.4479653102068E-8 ls |
| 400 ru | = 5.9306204136091E-8 ls |
| 500 ru | = 7.4132755170113E-8 ls |
| 600 ru | = 8.8959306204136E-8 ls |
| 700 ru | = 1.0378585723816E-7 ls |
| 800 ru | = 1.1861240827218E-7 ls |
| 900 ru | = 1.334389593062E-7 ls |
| 1000 ru | = 1.4826551034023E-7 ls |
| 2000 ru | = 2.9653102068045E-7 ls |
| 4000 ru | = 5.9306204136091E-7 ls |
| 5000 ru | = 7.4132755170113E-7 ls |
| 7500 ru | = 1.1119913275517E-6 ls |
| 10000 ru | = 1.4826551034023E-6 ls |
| 25000 ru | = 3.7066377585057E-6 ls |
| 50000 ru | = 7.4132755170113E-6 ls |
| 100000 ru | = 1.4826551034023E-5 ls |
| 1000000 ru | = 0.00014826551034023 ls |
| 1000000000 ru | = 0.14826551034023 ls |