| 840 mm * | 0.0393700787 in | = 33.0708661417 in | 
| 1 mm | 
| Units of measurement | Unit of length | 
|---|---|
| Nanometre | 840000000.0 nm | 
| Micrometre | 840000.0 µm | 
| Millimetre | 840.0 mm | 
| Centimetre | 84.0 cm | 
| Inch | 33.0708661417 in | 
| Foot | 2.7559055118 ft | 
| Yard | 0.9186351706 yd | 
| Metre | 0.84 m | 
| Kilometre | 0.00084 km | 
| Mile | 0.0005219518 mi | 
| Nautical mile | 0.0004535637 nmi | 
