| 123 mm * | 0.1 cm | = 12.3 cm | 
| 1 mm | 
| Måttenhet | Längder | 
|---|---|
| Nanometer | 123000000.0 nm | 
| Mikrometer | 123000.0 µm | 
| Millimeter | 123.0 mm | 
| Centimeter | 12.3 cm | 
| Inch | 4.842519685 in | 
| Fot | 0.4035433071 ft | 
| Yard | 0.1345144357 yd | 
| Meter | 0.123 m | 
| Kilometer | 0.000123 km | 
| Engelsk mil | 7.64287e-05 mi | 
| Nautisk mil | 6.64147e-05 nmi | 
