| 25.5 mm * | 0.0393700787 in | = 1.0039370079 in | 
| 1 mm | 
| Units of measurement | Unit of length | 
|---|---|
| Nanometre | 25500000.0 nm | 
| Micrometre | 25500.0 µm | 
| Millimetre | 25.5 mm | 
| Centimetre | 2.55 cm | 
| Inch | 1.0039370079 in | 
| Foot | 0.0836614173 ft | 
| Yard | 0.0278871391 yd | 
| Metre | 0.0255 m | 
| Kilometre | 2.55e-05 km | 
| Mile | 1.5845e-05 mi | 
| Nautical mile | 1.37689e-05 nmi | 
