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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.| 428800 Femtometers | to common length units |
|---|---|
| 428800 fm | = 4.288E-10 meters (m) |
| 428800 fm | = 4.288E-13 kilometers (km) |
| 428800 fm | = 4.288E-8 centimeters (cm) |
| 428800 fm | = 1.4068241469816E-9 feet (ft) |
| 428800 fm | = 1.688188976378E-8 inches (in) |
| 428800 fm | = 4.6894138232721E-10 yards (yd) |
| 428800 fm | = 2.6644396723137E-13 miles (mi) |
| 428800 fm | = 4.5322904555544E-26 light years (ly) |
| 428800 fm | = 1.6206616215007E-6 pixels (PX) |
| 428800 fm | = 2.68E+25 planck length (pl) |