| 1640 ft * | 30.48 cm | = 49987.2 cm | 
| 1 ft | 
| Natuurkundige eenheid | Lengtes | 
|---|---|
| Nanometer | 4.99872e+11 nm | 
| Micrometer | 499872000.0 µm | 
| Millimeter | 499872.0 mm | 
| Centimeter | 49987.2 cm | 
| Inch | 19680.0 in | 
| Voet | 1640.0 ft | 
| Yard | 546.666666667 yd | 
| Meter | 499.872 m | 
| Kilometer | 0.499872 km | 
| Mijl | 0.3106060606 mi | 
| Zeemijl | 0.2699092873 nmi | 
