| 18 ft * | 12.0 in | = 216.0 in |
| 1 ft |
| Natuurkundige eenheid | Lengte |
|---|---|
| Nanometer | 5486400000.0 nm |
| Micrometer | 5486400.0 µm |
| Millimeter | 5486.4 mm |
| Centimeter | 548.64 cm |
| Inch | 216.0 in |
| Voet | 18.0 ft |
| Yard | 6.0 yd |
| Meter | 5.4864 m |
| Kilometer | 0.0054864 km |
| Mijl | 0.0034090909 mi |
| Zeemijl | 0.002962419 nmi |
