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The millimeter (symbol = mm), or millimetre (British spelling) is a unit of length in the metric system, equal to one thousandth of a meter, which is the SI base unit ..more definition+
In relation to the base unit of [length] => (meters), 1 Femtometers (fm) is equal to 1.0E-15 meters, while 1 Millimeters (mm) = 0.001 meters.| 800 Femtometers | to common length units |
|---|---|
| 800 fm | = 8.0E-13 meters (m) |
| 800 fm | = 8.0E-16 kilometers (km) |
| 800 fm | = 8.0E-11 centimeters (cm) |
| 800 fm | = 2.6246719160105E-12 feet (ft) |
| 800 fm | = 3.1496062992126E-11 inches (in) |
| 800 fm | = 8.7489063867017E-13 yards (yd) |
| 800 fm | = 4.9709695378987E-16 miles (mi) |
| 800 fm | = 8.455765775288E-29 light years (ly) |
| 800 fm | = 3.0236224281729E-9 pixels (PX) |
| 800 fm | = 5.0E+22 planck length (pl) |