| 31 cm * | 0.3937007874 in | = 12.2047244094 in | 
| 1 cm | 
| Mõõtühik | Pikkused | 
|---|---|
| nanomeeter | 310000000.0 nm | 
| Mikromeeter | 310000.0 µm | 
| Millimeeter | 310.0 mm | 
| Sentimeeter | 31.0 cm | 
| Toll | 12.2047244094 in | 
| Jalg | 1.0170603675 ft | 
| Õu | 0.3390201225 yd | 
| Meeter | 0.31 m | 
| Kilomeeter | 0.00031 km | 
| Miil | 0.0001926251 mi | 
| Meremiil | 0.0001673866 nmi | 
