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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+
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.
In relation to the base unit of [length] => (meters), 1 Siriometer (sir) is equal to 1.496E+17 meters, while 1 X Unit (xu) = 1.002004E-13 meters.| 686000000000 Siriometer | to common length units |
|---|---|
| 686000000000 sir | = 1.026256E+29 meters (m) |
| 686000000000 sir | = 1.026256E+26 kilometers (km) |
| 686000000000 sir | = 1.026256E+31 centimeters (cm) |
| 686000000000 sir | = 3.3669816272966E+29 feet (ft) |
| 686000000000 sir | = 4.0403779527559E+30 inches (in) |
| 686000000000 sir | = 1.1223272090989E+29 yards (yd) |
| 686000000000 sir | = 6.3768591426072E+25 miles (mi) |
| 686000000000 sir | = 10847225451855 light years (ly) |
| 686000000000 sir | = 3.8787633233088E+32 pixels (PX) |
| 686000000000 sir | = 6.4141E+63 planck length (pl) |