| 4000 cm * | 0.3937007874 in | = 1574.80314961 in | 
| 1 cm | 
| Unidad de medida | Unidad de longitud | 
|---|---|
| Nanómetro | 40000000000.0 nm | 
| Micrómetro | 40000000.0 µm | 
| Milímetro | 40000.0 mm | 
| Centímetro | 4000.0 cm | 
| Pulgada | 1574.80314961 in | 
| Pie | 131.233595801 ft | 
| Yarda | 43.7445319335 yd | 
| Metro | 40.0 m | 
| Kilómetro | 0.04 km | 
| Milla | 0.0248548477 mi | 
| Milla náutica | 0.0215982721 nmi | 
