| 4020 ft * | 30.48 cm | = 122529.6 cm | 
| 1 ft | 
| Natuurkundige eenheid | Lengtes | 
|---|---|
| Nanometer | 1.225296e+12 nm | 
| Micrometer | 1225296000.0 µm | 
| Millimeter | 1225296.0 mm | 
| Centimeter | 122529.6 cm | 
| Inch | 48240.0 in | 
| Voet | 4020.0 ft | 
| Yard | 1340.0 yd | 
| Meter | 1225.296 m | 
| Kilometer | 1.225296 km | 
| Mijl | 0.7613636364 mi | 
| Zeemijl | 0.6616069114 nmi | 
