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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.| 55500 Siriometer | to common length units |
|---|---|
| 55500 sir | = 8.3028E+21 meters (m) |
| 55500 sir | = 8.3028E+18 kilometers (km) |
| 55500 sir | = 8.3028E+23 centimeters (cm) |
| 55500 sir | = 2.7240157480315E+22 feet (ft) |
| 55500 sir | = 3.2688188976378E+23 inches (in) |
| 55500 sir | = 9.0800524934383E+21 yards (yd) |
| 55500 sir | = 5.1591207349081E+18 miles (mi) |
| 55500 sir | = 877581.65098827 light years (ly) |
| 55500 sir | = 3.1380665370792E+25 pixels (PX) |
| 55500 sir | = 5.18925E+56 planck length (pl) |