| 637 cm * | 0.032808399 ft | = 20.8989501312 ft | 
| 1 cm | 
| Unidad de medida | Longitud | 
|---|---|
| Nanómetro | 6370000000.0 nm | 
| Micrómetro | 6370000.0 µm | 
| Milímetro | 6370.0 mm | 
| Centímetro | 637.0 cm | 
| Pulgada | 250.787401575 in | 
| Pie | 20.8989501312 ft | 
| Yarda | 6.9663167104 yd | 
| Metro | 6.37 m | 
| Kilómetro | 0.00637 km | 
| Milla | 0.0039581345 mi | 
| Milla náutica | 0.0034395248 nmi | 
