| 2.1 mm * | 0.1 cm | = 0.21 cm | 
| 1 mm | 
| Matavimo vienetas | Ilgis | 
|---|---|
| Nanometras | 2100000.0 nm | 
| Mikrometras | 2100.0 µm | 
| Milimetras | 2.1 mm | 
| Centimetras | 0.21 cm | 
| Colis | 0.0826771654 in | 
| Pėda | 0.0068897638 ft | 
| Yard | 0.0022965879 yd | 
| Metras | 0.0021 m | 
| Kilometras | 2.1e-06 km | 
| Mylia | 1.3049e-06 mi | 
| Jūrmylė | 1.1339e-06 nmi | 
