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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.
A span is the distance measured by a human hand, from the tip of the thumb to the tip of the little finger. In ancient times, a span was considered to be half a cubit. Someti ..more definition+
In relation to the base unit of [length] => (meters), 1 X Unit (xu) is equal to 1.002004E-13 meters, while 1 Spans (span) = 0.2286 meters.| 490700 X Unit | to common length units |
|---|---|
| 490700 xu | = 4.916833628E-8 meters (m) |
| 490700 xu | = 4.916833628E-11 kilometers (km) |
| 490700 xu | = 4.916833628E-6 centimeters (cm) |
| 490700 xu | = 1.6131343923885E-7 feet (ft) |
| 490700 xu | = 1.9357612708661E-6 inches (in) |
| 490700 xu | = 5.3771146412948E-8 yards (yd) |
| 490700 xu | = 3.055178773463E-11 miles (mi) |
| 490700 xu | = 5.1969491893035E-24 light years (ly) |
| 490700 xu | = 0.00018583310541519 pixels (PX) |
| 490700 xu | = 3.0730210175E+27 planck length (pl) |