| 21.7 cm * | 0.032808399 ft | = 0.7119422572 ft | 
| 1 cm | 
| Natuurkundige eenheid | Lengte | 
|---|---|
| Nanometer | 217000000.0 nm | 
| Micrometer | 217000.0 µm | 
| Millimeter | 217.0 mm | 
| Centimeter | 21.7 cm | 
| Inch | 8.5433070866 in | 
| Voet | 0.7119422572 ft | 
| Yard | 0.2373140857 yd | 
| Meter | 0.217 m | 
| Kilometer | 0.000217 km | 
| Mijl | 0.0001348375 mi | 
| Zeemijl | 0.0001171706 nmi | 
