| 21.7 mm * | 0.1 cm | = 2.17 cm | 
| 1 mm | 
| Fyzikálna jednotka | Dĺžky | 
|---|---|
| Nanometer | 21700000.0 nm | 
| Mikrometer | 21700.0 µm | 
| Milimeter | 21.7 mm | 
| Centimeter | 2.17 cm | 
| Palec | 0.8543307087 in | 
| Stopa | 0.0711942257 ft | 
| Yard | 0.0237314086 yd | 
| Meter | 0.0217 m | 
| Kilometer | 2.17e-05 km | 
| Míľa | 1.34838e-05 mi | 
| Námorná míľa | 1.17171e-05 nmi | 
