| 252 in * | 2.54 cm | = 640.08 cm | 
| 1 in | 
| Jednostka miary | Długość | 
|---|---|
| Nanometr | 6400800000.0 nm | 
| Mikrometr | 6400800.0 µm | 
| Milimetr | 6400.8 mm | 
| Centymetr | 640.08 cm | 
| Cal | 252.0 in | 
| Stopa | 21.0 ft | 
| Jard | 7.0 yd | 
| Metr | 6.4008 m | 
| Kilometr | 0.0064008 km | 
| Mila | 0.0039772727 mi | 
| Mila morska | 0.0034561555 nmi | 
