| 67.8 mm * | 0.1 cm | = 6.78 cm | 
| 1 mm | 
| Unidad de medida | Longitudes | 
|---|---|
| Nanómetro | 67800000.0 nm | 
| Micrómetro | 67800.0 µm | 
| Milímetro | 67.8 mm | 
| Centímetro | 6.78 cm | 
| Pulgada | 2.6692913386 in | 
| Pie | 0.2224409449 ft | 
| Yarda | 0.0741469816 yd | 
| Metro | 0.0678 m | 
| Kilómetro | 6.78e-05 km | 
| Milla | 4.2129e-05 mi | 
| Milla náutica | 3.66091e-05 nmi | 
