| 331 mm * | 0.0393700787 in | = 13.031496063 in | 
| 1 mm | 
| Mjerna jedinica | Jedinica za duljinu | 
|---|---|
| Nanometar | 331000000.0 nm | 
| mikrometar | 331000.0 µm | 
| Milimetar | 331.0 mm | 
| Centimetar | 33.1 cm | 
| Palac | 13.031496063 in | 
| Stopa | 1.0859580052 ft | 
| Jard | 0.3619860017 yd | 
| Metar | 0.331 m | 
| Kilometar | 0.000331 km | 
| Milja | 0.0002056739 mi | 
| Nautička milja | 0.0001787257 nmi | 
