| 31.8 mm * | 0.0393700787 in | = 1.2519685039 in | 
| 1 mm | 
| Mjerna jedinica | Jedinica za duljinu | 
|---|---|
| Nanometar | 31800000.0 nm | 
| mikrometar | 31800.0 µm | 
| Milimetar | 31.8 mm | 
| Centimetar | 3.18 cm | 
| Palac | 1.2519685039 in | 
| Stopa | 0.1043307087 ft | 
| Jard | 0.0347769029 yd | 
| Metar | 0.0318 m | 
| Kilometar | 3.18e-05 km | 
| Milja | 1.97596e-05 mi | 
| Nautička milja | 1.71706e-05 nmi | 
