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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 palm may be either one of two obsolete non-SI units of measurement of length.
In English usage the palm, or small palm, also called handbreadth or handsbreadth, was ..more definition+
In relation to the base unit of [length] => (meters), 1 Siriometer (sir) is equal to 1.496E+17 meters, while 1 Palms (palm) = 0.0762 meters.| 1838000000000 Siriometer | to common length units |
|---|---|
| 1838000000000 sir | = 2.749648E+29 meters (m) |
| 1838000000000 sir | = 2.749648E+26 kilometers (km) |
| 1838000000000 sir | = 2.749648E+31 centimeters (cm) |
| 1838000000000 sir | = 9.021154855643E+29 feet (ft) |
| 1838000000000 sir | = 1.0825385826772E+31 inches (in) |
| 1838000000000 sir | = 3.0070516185477E+29 yards (yd) |
| 1838000000000 sir | = 1.708552055993E+26 miles (mi) |
| 1838000000000 sir | = 29062974315611 light years (ly) |
| 1838000000000 sir | = 1.0392371702976E+33 pixels (PX) |
| 1838000000000 sir | = 1.71853E+64 planck length (pl) |