| 8.1 km * | 0.6213711922 mi | = 5.0331066571 mi | 
| 1 km | 
| Mõõtühik | Pikkus | 
|---|---|
| nanomeeter | 8.1e+12 nm | 
| Mikromeeter | 8100000000.0 µm | 
| Millimeeter | 8100000.0 mm | 
| Sentimeeter | 810000.0 cm | 
| Toll | 318897.637795 in | 
| Jalg | 26574.8031496 ft | 
| Õu | 8858.26771654 yd | 
| Meeter | 8100.0 m | 
| Kilomeeter | 8.1 km | 
| Miil | 5.0331066571 mi | 
| Meremiil | 4.373650108 nmi | 
