| 521 cm * | 0.3937007874 in | = 205.118110236 in | 
| 1 cm | 
| Unità | Tulijiet | 
|---|---|
| Nanometru | 5210000000.0 nm | 
| Mikrometru | 5210000.0 µm | 
| Millimetru | 5210.0 mm | 
| ċentimetru | 521.0 cm | 
| Pulzier | 205.118110236 in | 
| Piedi | 17.093175853 ft | 
| Yard | 5.6977252843 yd | 
| Metru | 5.21 m | 
| Kilometru | 0.00521 km | 
| Mil | 0.0032373439 mi | 
| Mil nawtiku | 0.0028131749 nmi | 
