| 4.2 ft * | 30.48 cm | = 128.016 cm | 
| 1 ft | 
| Fyzikálna jednotka | Jednotka dĺžky | 
|---|---|
| Nanometer | 1280160000.0 nm | 
| Mikrometer | 1280160.0 µm | 
| Milimeter | 1280.16 mm | 
| Centimeter | 128.016 cm | 
| Palec | 50.4 in | 
| Stopa | 4.2 ft | 
| Yard | 1.4 yd | 
| Meter | 1.28016 m | 
| Kilometer | 0.00128016 km | 
| Míľa | 0.0007954545 mi | 
| Námorná míľa | 0.0006912311 nmi | 
