| 1680 mm * | 0.1 cm | = 168.0 cm | 
| 1 mm | 
| Natuurkundige eenheid | Lengte | 
|---|---|
| Nanometer | 1680000000.0 nm | 
| Micrometer | 1680000.0 µm | 
| Millimeter | 1680.0 mm | 
| Centimeter | 168.0 cm | 
| Inch | 66.1417322835 in | 
| Voet | 5.5118110236 ft | 
| Yard | 1.8372703412 yd | 
| Meter | 1.68 m | 
| Kilometer | 0.00168 km | 
| Mijl | 0.0010439036 mi | 
| Zeemijl | 0.0009071274 nmi | 
