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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.| 139000000000 X Unit | to common length units |
|---|---|
| 139000000000 xu | = 0.0139278556 meters (m) |
| 139000000000 xu | = 1.39278556E-5 kilometers (km) |
| 139000000000 xu | = 1.39278556 centimeters (cm) |
| 139000000000 xu | = 0.045695064304462 feet (ft) |
| 139000000000 xu | = 0.54834077165354 inches (in) |
| 139000000000 xu | = 0.015231688101487 yards (yd) |
| 139000000000 xu | = 8.6543682394814E-6 miles (mi) |
| 139000000000 xu | = 1.4721335588204E-18 light years (ly) |
| 139000000000 xu | = 52.640720710642 pixels (PX) |
| 139000000000 xu | = 8.70490975E+32 planck length (pl) |