| 18 ft * | 30.48 cm | = 548.64 cm | 
| 1 ft | 
| Måttenhet | Längder | 
|---|---|
| Nanometer | 5486400000.0 nm | 
| Mikrometer | 5486400.0 µm | 
| Millimeter | 5486.4 mm | 
| Centimeter | 548.64 cm | 
| Inch | 216.0 in | 
| Fot | 18.0 ft | 
| Yard | 6.0 yd | 
| Meter | 5.4864 m | 
| Kilometer | 0.0054864 km | 
| Engelsk mil | 0.0034090909 mi | 
| Nautisk mil | 0.002962419 nmi | 
