| 840 in * | 0.0254 m | = 21.336 m | 
| 1 in | 
| Mjerna jedinica | Jedinica za duljinu | 
|---|---|
| Nanometar | 21336000000.0 nm | 
| mikrometar | 21336000.0 µm | 
| Milimetar | 21336.0 mm | 
| Centimetar | 2133.6 cm | 
| Palac | 840.0 in | 
| Stopa | 70.0 ft | 
| Jard | 23.3333333333 yd | 
| Metar | 21.336 m | 
| Kilometar | 0.021336 km | 
| Milja | 0.0132575758 mi | 
| Nautička milja | 0.0115205184 nmi | 
