| 644 cm * | 0.01 m | = 6.44 m | 
| 1 cm | 
| Maßeinheit | Längenmaß | 
|---|---|
| Nanometer | 6440000000.0 nm | 
| Mikrometer | 6440000.0 µm | 
| Millimeter | 6440.0 mm | 
| Zentimeter | 644.0 cm | 
| Zoll | 253.543307087 in | 
| Fuß | 21.1286089239 ft | 
| Yard | 7.0428696413 yd | 
| Meter | 6.44 m | 
| Kilometer | 0.00644 km | 
| Meile | 0.0040016305 mi | 
| Seemeile | 0.0034773218 nmi | 
