| 81 cm * | 0.01 m | = 0.81 m | 
| 1 cm | 
| Mjerna jedinica | Jedinica za duljinu | 
|---|---|
| Nanometar | 810000000.0 nm | 
| mikrometar | 810000.0 µm | 
| Milimetar | 810.0 mm | 
| Centimetar | 81.0 cm | 
| Palac | 31.8897637795 in | 
| Stopa | 2.657480315 ft | 
| Jard | 0.8858267717 yd | 
| Metar | 0.81 m | 
| Kilometar | 0.00081 km | 
| Milja | 0.0005033107 mi | 
| Nautička milja | 0.000437365 nmi | 
