| 4220 ft * | 30.48 cm | = 128625.6 cm | 
| 1 ft | 
| Fyzikálna jednotka | Dĺžka | 
|---|---|
| Nanometer | 1.286256e+12 nm | 
| Mikrometer | 1286256000.0 µm | 
| Milimeter | 1286256.0 mm | 
| Centimeter | 128625.6 cm | 
| Palec | 50640.0 in | 
| Stopa | 4220.0 ft | 
| Yard | 1406.66666667 yd | 
| Meter | 1286.256 m | 
| Kilometer | 1.286256 km | 
| Míľa | 0.7992424242 mi | 
| Námorná míľa | 0.6945226782 nmi | 
