| 252 in * | 0.0254 m | = 6.4008 m | 
| 1 in | 
| Fyzikálna jednotka | Jednotka dĺžky | 
|---|---|
| Nanometer | 6400800000.0 nm | 
| Mikrometer | 6400800.0 µm | 
| Milimeter | 6400.8 mm | 
| Centimeter | 640.08 cm | 
| Palec | 252.0 in | 
| Stopa | 21.0 ft | 
| Yard | 7.0 yd | 
| Meter | 6.4008 m | 
| Kilometer | 0.0064008 km | 
| Míľa | 0.0039772727 mi | 
| Námorná míľa | 0.0034561555 nmi | 
