| 40000 cm * | 0.032808399 ft | = 1312.335958 ft | 
| 1 cm | 
| Unidad de medida | Longitud | 
|---|---|
| Nanómetro | 4e+11 nm | 
| Micrómetro | 400000000.0 µm | 
| Milímetro | 400000.0 mm | 
| Centímetro | 40000.0 cm | 
| Pulgada | 15748.0314961 in | 
| Pie | 1312.335958 ft | 
| Yarda | 437.445319336 yd | 
| Metro | 400.0 m | 
| Kilómetro | 0.4 km | 
| Milla | 0.2485484769 mi | 
| Milla náutica | 0.2159827214 nmi | 
