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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 siriometer is a rarely used and an obsolete astronomical unit of length, defined to be equal to about one million astronomical units (au). One siriometer is approxim ..more definition+
In relation to the base unit of [length] => (meters), 1 X Unit (xu) is equal to 1.002004E-13 meters, while 1 Siriometer (sir) = 1.496E+17 meters.| 686000000000 X Unit | to common length units |
|---|---|
| 686000000000 xu | = 0.0687374744 meters (m) |
| 686000000000 xu | = 6.87374744E-5 kilometers (km) |
| 686000000000 xu | = 6.87374744 centimeters (cm) |
| 686000000000 xu | = 0.22551664829396 feet (ft) |
| 686000000000 xu | = 2.7061997795276 inches (in) |
| 686000000000 xu | = 0.075172216097988 yards (yd) |
| 686000000000 xu | = 4.2711486419311E-5 miles (mi) |
| 686000000000 xu | = 7.2653497938907E-18 light years (ly) |
| 686000000000 xu | = 259.79521156475 pixels (PX) |
| 686000000000 xu | = 4.29609215E+33 planck length (pl) |