| 21.6 in * | 0.0833333333 ft | = 1.8 ft | 
| 1 in | 
| Fyzikálna jednotka | Jednotka dĺžky | 
|---|---|
| Nanometer | 548640000.0 nm | 
| Mikrometer | 548640.0 µm | 
| Milimeter | 548.64 mm | 
| Centimeter | 54.864 cm | 
| Palec | 21.6 in | 
| Stopa | 1.8 ft | 
| Yard | 0.6 yd | 
| Meter | 0.54864 m | 
| Kilometer | 0.00054864 km | 
| Míľa | 0.0003409091 mi | 
| Námorná míľa | 0.0002962419 nmi | 
