| 664 cm * | 0.01 m | = 6.64 m | 
| 1 cm | 
| Måleenhet | Lengder | 
|---|---|
| Nanometer | 6640000000.0 nm | 
| Mikrometer | 6640000.0 µm | 
| Millimeter | 6640.0 mm | 
| Centimeter | 664.0 cm | 
| Tomme | 261.417322835 in | 
| Fot | 21.7847769029 ft | 
| Yard | 7.261592301 yd | 
| Meter | 6.64 m | 
| Kilometer | 0.00664 km | 
| Engelsk mil | 0.0041259047 mi | 
| Nautisk mil | 0.0035853132 nmi | 
