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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.| 30 Siriometer | to common length units |
|---|---|
| 30 sir | = 4.488E+18 meters (m) |
| 30 sir | = 4.488E+15 kilometers (km) |
| 30 sir | = 4.488E+20 centimeters (cm) |
| 30 sir | = 1.4724409448819E+19 feet (ft) |
| 30 sir | = 1.7669291338583E+20 inches (in) |
| 30 sir | = 4.9081364829396E+18 yards (yd) |
| 30 sir | = 2.7887139107612E+15 miles (mi) |
| 30 sir | = 474.36845999366 light years (ly) |
| 30 sir | = 1.696252182205E+22 pixels (PX) |
| 30 sir | = 2.805E+53 planck length (pl) |