| 509 mm * | 0.1 cm | = 50.9 cm | 
| 1 mm | 
| Mjerna jedinica | Duljine | 
|---|---|
| Nanometar | 509000000.0 nm | 
| mikrometar | 509000.0 µm | 
| Milimetar | 509.0 mm | 
| Centimetar | 50.9 cm | 
| Palac | 20.0393700787 in | 
| Stopa | 1.6699475066 ft | 
| Jard | 0.5566491689 yd | 
| Metar | 0.509 m | 
| Kilometar | 0.000509 km | 
| Milja | 0.0003162779 mi | 
| Nautička milja | 0.000274838 nmi | 
