| 63.8 mm * | 0.1 cm | = 6.38 cm | 
| 1 mm | 
| Natuurkundige eenheid | Lengte | 
|---|---|
| Nanometer | 63800000.0 nm | 
| Micrometer | 63800.0 µm | 
| Millimeter | 63.8 mm | 
| Centimeter | 6.38 cm | 
| Inch | 2.5118110236 in | 
| Voet | 0.2093175853 ft | 
| Yard | 0.0697725284 yd | 
| Meter | 0.0638 m | 
| Kilometer | 6.38e-05 km | 
| Mijl | 3.96435e-05 mi | 
| Zeemijl | 3.44492e-05 nmi | 
