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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.4241000000 Rack Unit | to common length units |
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4241000000 ru | = 188512450 meters (m) |
4241000000 ru | = 188512.45 kilometers (km) |
4241000000 ru | = 18851245000 centimeters (cm) |
4241000000 ru | = 618479166.66667 feet (ft) |
4241000000 ru | = 7421750000 inches (in) |
4241000000 ru | = 206159722.22222 yards (yd) |
4241000000 ru | = 117136.20580808 miles (mi) |
4241000000 ru | = 1.9925214036571E-8 light years (ly) |
4241000000 ru | = 712488089762.28 pixels (PX) |
4241000000 ru | = 1.1782028125E+43 planck length (pl) |