| 684 cm * | 0.3937007874 in | = 269.291338583 in | 
| 1 cm | 
| Units of measurement | Unit of length | 
|---|---|
| Nanometre | 6840000000.0 nm | 
| Micrometre | 6840000.0 µm | 
| Millimetre | 6840.0 mm | 
| Centimetre | 684.0 cm | 
| Inch | 269.291338583 in | 
| Foot | 22.4409448819 ft | 
| Yard | 7.4803149606 yd | 
| Metre | 6.84 m | 
| Kilometre | 0.00684 km | 
| Mile | 0.004250179 mi | 
| Nautical mile | 0.0036933045 nmi | 
