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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.4736002878 Rack Unit | to common length units |
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4736002878 ru | = 210515327.9271 meters (m) |
4736002878 ru | = 210515.3279271 kilometers (km) |
4736002878 ru | = 21051532792.71 centimeters (cm) |
4736002878 ru | = 690667086.375 feet (ft) |
4736002878 ru | = 8288005036.5 inches (in) |
4736002878 ru | = 230222362.125 yards (yd) |
4736002878 ru | = 130808.1602983 miles (mi) |
4736002878 ru | = 2.2250853813244E-8 light years (ly) |
4736002878 ru | = 795648583743.19 pixels (PX) |
4736002878 ru | = 1.3157207995444E+43 planck length (pl) |