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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.| 1284000000000 Siriometer | to common length units |
|---|---|
| 1284000000000 sir | = 1.920864E+29 meters (m) |
| 1284000000000 sir | = 1.920864E+26 kilometers (km) |
| 1284000000000 sir | = 1.920864E+31 centimeters (cm) |
| 1284000000000 sir | = 6.3020472440945E+29 feet (ft) |
| 1284000000000 sir | = 7.5624566929134E+30 inches (in) |
| 1284000000000 sir | = 2.1006824146982E+29 yards (yd) |
| 1284000000000 sir | = 1.1935695538058E+26 miles (mi) |
| 1284000000000 sir | = 20302970087729 light years (ly) |
| 1284000000000 sir | = 7.2599593398374E+32 pixels (PX) |
| 1284000000000 sir | = 1.20054E+64 planck length (pl) |