| 684 cm * | 0.3937007874 in | = 269.291338583 in | 
| 1 cm | 
| Fyzikálna jednotka | Dĺžka | 
|---|---|
| Nanometer | 6840000000.0 nm | 
| Mikrometer | 6840000.0 µm | 
| Milimeter | 6840.0 mm | 
| Centimeter | 684.0 cm | 
| Palec | 269.291338583 in | 
| Stopa | 22.4409448819 ft | 
| Yard | 7.4803149606 yd | 
| Meter | 6.84 m | 
| Kilometer | 0.00684 km | 
| Míľa | 0.004250179 mi | 
| Námorná míľa | 0.0036933045 nmi | 
