| 7.8 mm * | 0.1 cm | = 0.78 cm | 
| 1 mm | 
| Eenhede van meting | Lengtes | 
|---|---|
| Nanometer | 7800000.0 nm | 
| Mikrometer | 7800.0 µm | 
| Millimeter | 7.8 mm | 
| Sentimeter | 0.78 cm | 
| Duim | 0.3070866142 in | 
| Voet | 0.0255905512 ft | 
| Jaart | 0.0085301837 yd | 
| Meter | 0.0078 m | 
| Kilometer | 7.8e-06 km | 
| Myl | 4.8467e-06 mi | 
| Seemyl | 4.2117e-06 nmi | 
