| 1680 mm * | 0.0393700787 in | = 66.1417322835 in | 
| 1 mm | 
| Unidad de medida | Longitudes | 
|---|---|
| Nanómetro | 1680000000.0 nm | 
| Micrómetro | 1680000.0 µm | 
| Milímetro | 1680.0 mm | 
| Centímetro | 168.0 cm | 
| Pulgada | 66.1417322835 in | 
| Pie | 5.5118110236 ft | 
| Yarda | 1.8372703412 yd | 
| Metro | 1.68 m | 
| Kilómetro | 0.00168 km | 
| Milla | 0.0010439036 mi | 
| Milla náutica | 0.0009071274 nmi | 
