| 20.1 in * | 2.54 cm | = 51.054 cm | 
| 1 in | 
| Mõõtühik | Pikkus | 
|---|---|
| nanomeeter | 510540000.0 nm | 
| Mikromeeter | 510540.0 µm | 
| Millimeeter | 510.54 mm | 
| Sentimeeter | 51.054 cm | 
| Toll | 20.1 in | 
| Jalg | 1.675 ft | 
| Õu | 0.5583333333 yd | 
| Meeter | 0.51054 m | 
| Kilomeeter | 0.00051054 km | 
| Miil | 0.0003172348 mi | 
| Meremiil | 0.0002756695 nmi | 
