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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.| 500 Siriometer | to common length units |
|---|---|
| 500 sir | = 7.48E+19 meters (m) |
| 500 sir | = 7.48E+16 kilometers (km) |
| 500 sir | = 7.48E+21 centimeters (cm) |
| 500 sir | = 2.4540682414698E+20 feet (ft) |
| 500 sir | = 2.9448818897638E+21 inches (in) |
| 500 sir | = 8.1802274715661E+19 yards (yd) |
| 500 sir | = 4.6478565179353E+16 miles (mi) |
| 500 sir | = 7906.1409998943 light years (ly) |
| 500 sir | = 2.8270869703417E+23 pixels (PX) |
| 500 sir | = 4.675E+54 planck length (pl) |