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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 fathom is a unit of length in the imperial and the U.S. customary systems equal to 6 feet (1.8288 meters), used especially for measuring the depth of water.
There a ..more definition+
In relation to the base unit of [length] => (meters), 1 Siriometer (sir) is equal to 1.496E+17 meters, while 1 Fathoms (fath) = 1.8288 meters.| 4901000000 Siriometer | to common length units |
|---|---|
| 4901000000 sir | = 7.331896E+26 meters (m) |
| 4901000000 sir | = 7.331896E+23 kilometers (km) |
| 4901000000 sir | = 7.331896E+28 centimeters (cm) |
| 4901000000 sir | = 2.4054776902887E+27 feet (ft) |
| 4901000000 sir | = 2.8865732283465E+28 inches (in) |
| 4901000000 sir | = 8.018258967629E+26 yards (yd) |
| 4901000000 sir | = 4.5558289588801E+23 miles (mi) |
| 4901000000 sir | = 77495994080.964 light years (ly) |
| 4901000000 sir | = 2.7711106483289E+30 pixels (PX) |
| 4901000000 sir | = 4.582435E+61 planck length (pl) |