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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.| 670000000 Femtometers | to common length units |
|---|---|
| 670000000 fm | = 6.7E-7 meters (m) |
| 670000000 fm | = 6.7E-10 kilometers (km) |
| 670000000 fm | = 6.7E-5 centimeters (cm) |
| 670000000 fm | = 2.1981627296588E-6 feet (ft) |
| 670000000 fm | = 2.6377952755906E-5 inches (in) |
| 670000000 fm | = 7.3272090988626E-7 yards (yd) |
| 670000000 fm | = 4.1631869879901E-10 miles (mi) |
| 670000000 fm | = 7.0817038368037E-23 light years (ly) |
| 670000000 fm | = 0.0025322837835948 pixels (PX) |
| 670000000 fm | = 4.1875E+28 planck length (pl) |