| 64.4 mm * | 0.0393700787 in | = 2.5354330709 in | 
| 1 mm | 
| Fyzikálna jednotka | Dĺžky | 
|---|---|
| Nanometer | 64400000.0 nm | 
| Mikrometer | 64400.0 µm | 
| Milimeter | 64.4 mm | 
| Centimeter | 6.44 cm | 
| Palec | 2.5354330709 in | 
| Stopa | 0.2112860892 ft | 
| Yard | 0.0704286964 yd | 
| Meter | 0.0644 m | 
| Kilometer | 6.44e-05 km | 
| Míľa | 4.00163e-05 mi | 
| Námorná míľa | 3.47732e-05 nmi | 
