| 256 mm * | 0.1 cm | = 25.6 cm | 
| 1 mm | 
| Units of measurement | Unit of length | 
|---|---|
| Nanometre | 256000000.0 nm | 
| Micrometre | 256000.0 µm | 
| Millimetre | 256.0 mm | 
| Centimetre | 25.6 cm | 
| Inch | 10.0787401575 in | 
| Foot | 0.8398950131 ft | 
| Yard | 0.2799650044 yd | 
| Metre | 0.256 m | 
| Kilometre | 0.000256 km | 
| Mile | 0.000159071 mi | 
| Nautical mile | 0.0001382289 nmi | 
