| 21 in * | 2.54 cm | = 53.34 cm | 
| 1 in | 
| Unità | Tulijiet | 
|---|---|
| Nanometru | 533400000.0 nm | 
| Mikrometru | 533400.0 µm | 
| Millimetru | 533.4 mm | 
| ċentimetru | 53.34 cm | 
| Pulzier | 21.0 in | 
| Piedi | 1.75 ft | 
| Yard | 0.5833333333 yd | 
| Metru | 0.5334 m | 
| Kilometru | 0.0005334 km | 
| Mil | 0.0003314394 mi | 
| Mil nawtiku | 0.000288013 nmi | 
