| 63.9 cm * | 0.01 m | = 0.639 m | 
| 1 cm | 
| Unidad de medida | Longitudes | 
|---|---|
| Nanómetro | 639000000.0 nm | 
| Micrómetro | 639000.0 µm | 
| Milímetro | 639.0 mm | 
| Centímetro | 63.9 cm | 
| Pulgada | 25.157480315 in | 
| Pie | 2.0964566929 ft | 
| Yarda | 0.6988188976 yd | 
| Metro | 0.639 m | 
| Kilómetro | 0.000639 km | 
| Milla | 0.0003970562 mi | 
| Milla náutica | 0.0003450324 nmi | 
