| 66.8 mm * | 0.1 cm | = 6.68 cm | 
| 1 mm | 
| Fyzikálna jednotka | Dĺžky | 
|---|---|
| Nanometer | 66800000.0 nm | 
| Mikrometer | 66800.0 µm | 
| Milimeter | 66.8 mm | 
| Centimeter | 6.68 cm | 
| Palec | 2.6299212598 in | 
| Stopa | 0.219160105 ft | 
| Yard | 0.0730533683 yd | 
| Meter | 0.0668 m | 
| Kilometer | 6.68e-05 km | 
| Míľa | 4.15076e-05 mi | 
| Námorná míľa | 3.60691e-05 nmi | 
