| 646 in * | 0.0254 m | = 16.4084 m | 
| 1 in | 
| Mjerna jedinica | Dužina | 
|---|---|
| Nanometar | 16408400000.0 nm | 
| mikrometar | 16408400.0 µm | 
| Milimetar | 16408.4 mm | 
| Centimetar | 1640.84 cm | 
| Palac | 646.0 in | 
| Stopa | 53.8333333333 ft | 
| Jard | 17.9444444444 yd | 
| Metar | 16.4084 m | 
| Kilometar | 0.0164084 km | 
| Milja | 0.0101957071 mi | 
| Nautička milja | 0.0088598272 nmi | 
