Please support this site by disabling or whitelisting the Adblock for "justintools.com". I've spent over 10 trillion microseconds (and counting), on this project. This site is my passion, and I regularly adding new tools/apps. Users experience is very important, that's why I use non-intrusive ads. Any feedback is appreciated. Thank you. Justin XoXo :)
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.| 4000 Femtometers | to common length units |
|---|---|
| 4000 fm | = 4.0E-12 meters (m) |
| 4000 fm | = 4.0E-15 kilometers (km) |
| 4000 fm | = 4.0E-10 centimeters (cm) |
| 4000 fm | = 1.3123359580052E-11 feet (ft) |
| 4000 fm | = 1.5748031496063E-10 inches (in) |
| 4000 fm | = 4.3744531933508E-12 yards (yd) |
| 4000 fm | = 2.4854847689493E-15 miles (mi) |
| 4000 fm | = 4.227882887644E-28 light years (ly) |
| 4000 fm | = 1.5118112140865E-8 pixels (PX) |
| 4000 fm | = 2.5E+23 planck length (pl) |