| 521 cm * | 0.032808399 ft | = 17.093175853 ft | 
| 1 cm | 
| Fyzikálna jednotka | Dĺžka | 
|---|---|
| Nanometer | 5210000000.0 nm | 
| Mikrometer | 5210000.0 µm | 
| Milimeter | 5210.0 mm | 
| Centimeter | 521.0 cm | 
| Palec | 205.118110236 in | 
| Stopa | 17.093175853 ft | 
| Yard | 5.6977252844 yd | 
| Meter | 5.21 m | 
| Kilometer | 0.00521 km | 
| Míľa | 0.0032373439 mi | 
| Námorná míľa | 0.0028131749 nmi | 
