| 64.5 mm * | 0.1 cm | = 6.45 cm | 
| 1 mm | 
| Units of measurement | Lengths | 
|---|---|
| Nanometre | 64500000.0 nm | 
| Micrometre | 64500.0 µm | 
| Millimetre | 64.5 mm | 
| Centimetre | 6.45 cm | 
| Inch | 2.5393700787 in | 
| Foot | 0.2116141732 ft | 
| Yard | 0.0705380577 yd | 
| Metre | 0.0645 m | 
| Kilometre | 6.45e-05 km | 
| Mile | 4.00784e-05 mi | 
| Nautical mile | 3.48272e-05 nmi | 
