| 20 mm * | 0.0393700787 in | = 0.7874015748 in | 
| 1 mm | 
| Fyzikálna jednotka | Dĺžky | 
|---|---|
| Nanometer | 20000000.0 nm | 
| Mikrometer | 20000.0 µm | 
| Milimeter | 20.0 mm | 
| Centimeter | 2.0 cm | 
| Palec | 0.7874015748 in | 
| Stopa | 0.0656167979 ft | 
| Yard | 0.021872266 yd | 
| Meter | 0.02 m | 
| Kilometer | 2e-05 km | 
| Míľa | 1.24274e-05 mi | 
| Námorná míľa | 1.07991e-05 nmi | 
