| 123 mm * | 0.0393700787 in | = 4.842519685 in | 
| 1 mm | 
| Fyzikálna jednotka | Dĺžky | 
|---|---|
| Nanometer | 123000000.0 nm | 
| Mikrometer | 123000.0 µm | 
| Milimeter | 123.0 mm | 
| Centimeter | 12.3 cm | 
| Palec | 4.842519685 in | 
| Stopa | 0.4035433071 ft | 
| Yard | 0.1345144357 yd | 
| Meter | 0.123 m | 
| Kilometer | 0.000123 km | 
| Míľa | 7.64287e-05 mi | 
| Námorná míľa | 6.64147e-05 nmi | 
