| 521 cm * | 0.01 m | = 5.21 m | 
| 1 cm | 
| Eenhede van meting | Lengte | 
|---|---|
| Nanometer | 5210000000.0 nm | 
| Mikrometer | 5210000.0 µm | 
| Millimeter | 5210.0 mm | 
| Sentimeter | 521.0 cm | 
| Duim | 205.118110236 in | 
| Voet | 17.093175853 ft | 
| Jaart | 5.6977252843 yd | 
| Meter | 5.21 m | 
| Kilometer | 0.00521 km | 
| Myl | 0.0032373439 mi | 
| Seemyl | 0.0028131749 nmi | 
