| 1680 cm * | 0.3937007874 in | = 661.417322835 in | 
| 1 cm | 
| Merska enota | Dolžina | 
|---|---|
| Nanometer | 16800000000.0 nm | 
| Mikrometer | 16800000.0 µm | 
| Milimeter | 16800.0 mm | 
| Centimeter | 1680.0 cm | 
| Palec | 661.417322835 in | 
| Čevelj | 55.1181102362 ft | 
| Jard | 18.3727034121 yd | 
| Meter | 16.8 m | 
| Kilometer | 0.0168 km | 
| Mile | 0.010439036 mi | 
| navtične milje | 0.0090712743 nmi | 
