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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+
The Bohr radius (a0 or rBohr) is a physical constant, approximately equal to the most probable distance between the proton and electron in a hydrogen atom in its ground state. It is named after Niels Bohr, due to its role in the Bohr model of an atom. Its value is 5.2917721067×10^−11 m.
In relation to the base unit of [length] => (meters), 1 Rack Unit (ru) is equal to 0.04445 meters, while 1 Bohr Radius (Bohr) = 5.29177E-11 meters.| 210 Rack Unit | to common length units |
|---|---|
| 210 ru | = 9.3345 meters (m) |
| 210 ru | = 0.0093345 kilometers (km) |
| 210 ru | = 933.45 centimeters (cm) |
| 210 ru | = 30.625 feet (ft) |
| 210 ru | = 367.5 inches (in) |
| 210 ru | = 10.208333333333 yards (yd) |
| 210 ru | = 0.0058001893939394 miles (mi) |
| 210 ru | = 9.8662932036783E-16 light years (ly) |
| 210 ru | = 35280.004444725 pixels (PX) |
| 210 ru | = 5.8340625E+35 planck length (pl) |