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A foot (plural: feet, abbreviation: ft, symbol:(′) the prime symbol) is a unit of length in the imperial and US customary systems of measurement. Since 1959, both units have ..more definition+
In relation to the base unit of [length] => (meters), 1 Femtometers (fm) is equal to 1.0E-15 meters, while 1 Feet (ft) = 0.3048 meters.| 3100 Femtometers | to common length units |
|---|---|
| 3100 fm | = 3.1E-12 meters (m) |
| 3100 fm | = 3.1E-15 kilometers (km) |
| 3100 fm | = 3.1E-10 centimeters (cm) |
| 3100 fm | = 1.0170603674541E-11 feet (ft) |
| 3100 fm | = 1.2204724409449E-10 inches (in) |
| 3100 fm | = 3.3902012248469E-12 yards (yd) |
| 3100 fm | = 1.9262506959357E-15 miles (mi) |
| 3100 fm | = 3.2766092379241E-28 light years (ly) |
| 3100 fm | = 1.171653690917E-8 pixels (PX) |
| 3100 fm | = 1.9375E+23 planck length (pl) |