| 3.1 mm * | 0.0393700787 in | = 0.1220472441 in | 
| 1 mm | 
| Matavimo vienetas | Ilgis | 
|---|---|
| Nanometras | 3100000.0 nm | 
| Mikrometras | 3100.0 µm | 
| Milimetras | 3.1 mm | 
| Centimetras | 0.31 cm | 
| Colis | 0.1220472441 in | 
| Pėda | 0.0101706037 ft | 
| Yard | 0.0033902012 yd | 
| Metras | 0.0031 m | 
| Kilometras | 3.1e-06 km | 
| Mylia | 1.9263e-06 mi | 
| Jūrmylė | 1.6739e-06 nmi | 
