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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+
In relation to the base unit of [length] => (meters), 1 Femtometers (fm) is equal to 1.0E-15 meters, while 1 Siriometer (sir) = 1.496E+17 meters.| 5428000000 Femtometers | to common length units |
|---|---|
| 5428000000 fm | = 5.428E-6 meters (m) |
| 5428000000 fm | = 5.428E-9 kilometers (km) |
| 5428000000 fm | = 0.0005428 centimeters (cm) |
| 5428000000 fm | = 1.7808398950131E-5 feet (ft) |
| 5428000000 fm | = 0.00021370078740157 inches (in) |
| 5428000000 fm | = 5.9361329833771E-6 yards (yd) |
| 5428000000 fm | = 3.3728028314642E-9 miles (mi) |
| 5428000000 fm | = 5.7372370785329E-22 light years (ly) |
| 5428000000 fm | = 0.020515278175153 pixels (PX) |
| 5428000000 fm | = 3.3925E+29 planck length (pl) |