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The x unit (symbol xu) is a unit of length approximately equal to 0.1 pm (10−13 m). It is used to quote the wavelength of X-rays and gamma rays.
The millimeter (symbol = mm), or millimetre (British spelling) is a unit of length in the metric system, equal to one thousandth of a meter, which is the SI base unit ..more definition+
In relation to the base unit of [length] => (meters), 1 X Unit (xu) is equal to 1.002004E-13 meters, while 1 Millimeters (mm) = 0.001 meters.| 4000 X Unit | to common length units |
|---|---|
| 4000 xu | = 4.008016E-10 meters (m) |
| 4000 xu | = 4.008016E-13 kilometers (km) |
| 4000 xu | = 4.008016E-8 centimeters (cm) |
| 4000 xu | = 1.3149658792651E-9 feet (ft) |
| 4000 xu | = 1.5779590551181E-8 inches (in) |
| 4000 xu | = 4.3832195975503E-10 yards (yd) |
| 4000 xu | = 2.4904656804263E-13 miles (mi) |
| 4000 xu | = 4.2363555649509E-26 light years (ly) |
| 4000 xu | = 1.5148408837595E-6 pixels (PX) |
| 4000 xu | = 2.50501E+25 planck length (pl) |