| 678 cm * | 0.032808399 ft | = 22.2440944882 ft | 
| 1 cm | 
| Måleenhed | Længde | 
|---|---|
| Nanometer | 6780000000.0 nm | 
| Mikrometer | 6780000.0 µm | 
| Nillimeter | 6780.0 mm | 
| Centimeter | 678.0 cm | 
| Tomme | 266.929133859 in | 
| Fod | 22.2440944882 ft | 
| Yard | 7.4146981627 yd | 
| Meter | 6.78 m | 
| Kilometer | 0.00678 km | 
| Nil | 0.0042128967 mi | 
| Sømil | 0.0036609071 nmi | 
