| 685 mm * | 0.1 cm | = 68.5 cm | 
| 1 mm | 
| Måleenhed | Længder | 
|---|---|
| Nanometer | 685000000.0 nm | 
| Mikrometer | 685000.0 µm | 
| Nillimeter | 685.0 mm | 
| Centimeter | 68.5 cm | 
| Tomme | 26.968503937 in | 
| Fod | 2.2473753281 ft | 
| Yard | 0.7491251094 yd | 
| Meter | 0.685 m | 
| Kilometer | 0.000685 km | 
| Nil | 0.0004256393 mi | 
| Sømil | 0.0003698704 nmi | 
