| 666 cm * | 0.032808399 ft | = 21.8503937008 ft | 
| 1 cm | 
| Mõõtühik | Pikkusühiku | 
|---|---|
| nanomeeter | 6660000000.0 nm | 
| Mikromeeter | 6660000.0 µm | 
| Millimeeter | 6660.0 mm | 
| Sentimeeter | 666.0 cm | 
| Toll | 262.20472441 in | 
| Jalg | 21.8503937008 ft | 
| Õu | 7.2834645669 yd | 
| Meeter | 6.66 m | 
| Kilomeeter | 0.00666 km | 
| Miil | 0.0041383321 mi | 
| Meremiil | 0.0035961123 nmi | 
