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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+
A foot (plural: feet, abbreviation: ft, symbol:(′) the prime symbol) is a unit of length in the imperial and US customary systems of measurement. Since 1959, both units have ..more definition+
In relation to the base unit of [length] => (meters), 1 Siriometer (sir) is equal to 1.496E+17 meters, while 1 Feet (ft) = 0.3048 meters.| 210000 Siriometer | to common length units |
|---|---|
| 210000 sir | = 3.1416E+22 meters (m) |
| 210000 sir | = 3.1416E+19 kilometers (km) |
| 210000 sir | = 3.1416E+24 centimeters (cm) |
| 210000 sir | = 1.0307086614173E+23 feet (ft) |
| 210000 sir | = 1.2368503937008E+24 inches (in) |
| 210000 sir | = 3.4356955380577E+22 yards (yd) |
| 210000 sir | = 1.9520997375328E+19 miles (mi) |
| 210000 sir | = 3320579.2199556 light years (ly) |
| 210000 sir | = 1.1873765275435E+26 pixels (PX) |
| 210000 sir | = 1.9635E+57 planck length (pl) |