| 21.8 in * | 0.0254 m | = 0.55372 m | 
| 1 in | 
| Unità | Tul | 
|---|---|
| Nanometru | 553720000.0 nm | 
| Mikrometru | 553720.0 µm | 
| Millimetru | 553.72 mm | 
| ċentimetru | 55.372 cm | 
| Pulzier | 21.8 in | 
| Piedi | 1.8166666667 ft | 
| Yard | 0.6055555556 yd | 
| Metru | 0.55372 m | 
| Kilometru | 0.00055372 km | 
| Mil | 0.0003440657 mi | 
| Mil nawtiku | 0.0002989849 nmi | 
