| 21.8 mm * | 0.1 cm | = 2.18 cm | 
| 1 mm | 
| Mõõtühik | Pikkusühiku | 
|---|---|
| nanomeeter | 21800000.0 nm | 
| Mikromeeter | 21800.0 µm | 
| Millimeeter | 21.8 mm | 
| Sentimeeter | 2.18 cm | 
| Toll | 0.8582677165 in | 
| Jalg | 0.0715223097 ft | 
| Õu | 0.0238407699 yd | 
| Meeter | 0.0218 m | 
| Kilomeeter | 2.18e-05 km | 
| Miil | 1.35459e-05 mi | 
| Meremiil | 1.17711e-05 nmi | 
