| 510 mm * | 0.0393700787 in | = 20.0787401575 in | 
| 1 mm | 
| Jednostka miary | Długości | 
|---|---|
| Nanometr | 510000000.0 nm | 
| Mikrometr | 510000.0 µm | 
| Milimetr | 510.0 mm | 
| Centymetr | 51.0 cm | 
| Cal | 20.0787401575 in | 
| Stopa | 1.6732283465 ft | 
| Jard | 0.5577427822 yd | 
| Metr | 0.51 m | 
| Kilometr | 0.00051 km | 
| Mila | 0.0003168993 mi | 
| Mila morska | 0.000275378 nmi | 
