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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.| 188000 Siriometer | to common length units |
|---|---|
| 188000 sir | = 2.81248E+22 meters (m) |
| 188000 sir | = 2.81248E+19 kilometers (km) |
| 188000 sir | = 2.81248E+24 centimeters (cm) |
| 188000 sir | = 9.2272965879265E+22 feet (ft) |
| 188000 sir | = 1.1072755905512E+24 inches (in) |
| 188000 sir | = 3.0757655293088E+22 yards (yd) |
| 188000 sir | = 1.7475940507437E+19 miles (mi) |
| 188000 sir | = 2972709.0159603 light years (ly) |
| 188000 sir | = 1.0629847008485E+26 pixels (PX) |
| 188000 sir | = 1.7578E+57 planck length (pl) |