| 402 mm * | 0.1 cm | = 40.2 cm | 
| 1 mm | 
| Units of measurement | Unit of length | 
|---|---|
| Nanometre | 402000000.0 nm | 
| Micrometre | 402000.0 µm | 
| Millimetre | 402.0 mm | 
| Centimetre | 40.2 cm | 
| Inch | 15.8267716535 in | 
| Foot | 1.3188976378 ft | 
| Yard | 0.4396325459 yd | 
| Metre | 0.402 m | 
| Kilometre | 0.000402 km | 
| Mile | 0.0002497912 mi | 
| Nautical mile | 0.0002170626 nmi | 
