| 21 in * | 0.0254 m | = 0.5334 m | 
| 1 in | 
| Mõõtühik | Pikkusühiku | 
|---|---|
| nanomeeter | 533400000.0 nm | 
| Mikromeeter | 533400.0 µm | 
| Millimeeter | 533.4 mm | 
| Sentimeeter | 53.34 cm | 
| Toll | 21.0 in | 
| Jalg | 1.75 ft | 
| Õu | 0.5833333333 yd | 
| Meeter | 0.5334 m | 
| Kilomeeter | 0.0005334 km | 
| Miil | 0.0003314394 mi | 
| Meremiil | 0.000288013 nmi | 
