| 31 ft * | 30.48 cm | = 944.88 cm | 
| 1 ft | 
| Fyzikálna jednotka | Dĺžky | 
|---|---|
| Nanometer | 9448800000.0 nm | 
| Mikrometer | 9448800.0 µm | 
| Milimeter | 9448.8 mm | 
| Centimeter | 944.88 cm | 
| Palec | 372.0 in | 
| Stopa | 31.0 ft | 
| Yard | 10.3333333333 yd | 
| Meter | 9.4488 m | 
| Kilometer | 0.0094488 km | 
| Míľa | 0.0058712121 mi | 
| Námorná míľa | 0.0051019438 nmi | 
