| 3100 cm * | 0.3937007874 in | = 1220.47244094 in | 
| 1 cm | 
| Mjerna jedinica | Dužina | 
|---|---|
| Nanometar | 31000000000.0 nm | 
| mikrometar | 31000000.0 µm | 
| Milimetar | 31000.0 mm | 
| Centimetar | 3100.0 cm | 
| Palac | 1220.47244094 in | 
| Stopa | 101.706036745 ft | 
| Jard | 33.9020122485 yd | 
| Metar | 31.0 m | 
| Kilometar | 0.031 km | 
| Milja | 0.019262507 mi | 
| Nautička milja | 0.0167386609 nmi | 
