| 1680 ft * | 12.0 in | = 20160.0 in | 
| 1 ft | 
| Jednostka miary | Długość | 
|---|---|
| Nanometr | 5.12064e+11 nm | 
| Mikrometr | 512064000.0 µm | 
| Milimetr | 512064.0 mm | 
| Centymetr | 51206.4 cm | 
| Cal | 20160.0 in | 
| Stopa | 1680.0 ft | 
| Jard | 560.0 yd | 
| Metr | 512.064 m | 
| Kilometr | 0.512064 km | 
| Mila | 0.3181818182 mi | 
| Mila morska | 0.2764924406 nmi | 
