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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.| 121100 Siriometer | to common length units |
|---|---|
| 121100 sir | = 1.811656E+22 meters (m) |
| 121100 sir | = 1.811656E+19 kilometers (km) |
| 121100 sir | = 1.811656E+24 centimeters (cm) |
| 121100 sir | = 5.9437532808399E+22 feet (ft) |
| 121100 sir | = 7.1325039370079E+23 inches (in) |
| 121100 sir | = 1.9812510936133E+22 yards (yd) |
| 121100 sir | = 1.1257108486439E+19 miles (mi) |
| 121100 sir | = 1914867.3501744 light years (ly) |
| 121100 sir | = 6.8472046421675E+25 pixels (PX) |
| 121100 sir | = 1.132285E+57 planck length (pl) |