| 634 mm * | 0.1 cm | = 63.4 cm | 
| 1 mm | 
| Måleenhed | Længde | 
|---|---|
| Nanometer | 634000000.0 nm | 
| Mikrometer | 634000.0 µm | 
| Nillimeter | 634.0 mm | 
| Centimeter | 63.4 cm | 
| Tomme | 24.9606299213 in | 
| Fod | 2.0800524934 ft | 
| Yard | 0.6933508311 yd | 
| Meter | 0.634 m | 
| Kilometer | 0.000634 km | 
| Nil | 0.0003939493 mi | 
| Sømil | 0.0003423326 nmi | 
