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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.
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In relation to the base unit of [length] => (meters), 1 Megameters (Mm) is equal to 1000000 meters, while 1 Fathoms (fath) = 1.8288 meters.| 21 Megameters | to common length units |
|---|---|
| 21 Mm | = 21000000 meters (m) |
| 21 Mm | = 21000 kilometers (km) |
| 21 Mm | = 2100000000 centimeters (cm) |
| 21 Mm | = 68897637.795276 feet (ft) |
| 21 Mm | = 826771653.54331 inches (in) |
| 21 Mm | = 22965879.265092 yards (yd) |
| 21 Mm | = 13048.795036984 miles (mi) |
| 21 Mm | = 2.2196385160131E-9 light years (ly) |
| 21 Mm | = 79370088739.539 pixels (PX) |
| 21 Mm | = 1.3125E+42 planck length (pl) |