| 3980 ft * | 30.48 cm | = 121310.4 cm | 
| 1 ft | 
| Matavimo vienetas | Ilgiai | 
|---|---|
| Nanometras | 1.213104e+12 nm | 
| Mikrometras | 1213104000.0 µm | 
| Milimetras | 1213104.0 mm | 
| Centimetras | 121310.4 cm | 
| Colis | 47760.0 in | 
| Pėda | 3980.0 ft | 
| Yard | 1326.66666667 yd | 
| Metras | 1213.104 m | 
| Kilometras | 1.213104 km | 
| Mylia | 0.7537878788 mi | 
| Jūrmylė | 0.6550237581 nmi | 
