| 666 cm * | 0.032808399 ft | = 21.8503937008 ft | 
| 1 cm | 
| Mittayksikkö | Yksikön pituus | 
|---|---|
| Nanometri | 6660000000.0 nm | 
| Mikrometri | 6660000.0 µm | 
| Millimetri | 6660.0 mm | 
| Senttimetri | 666.0 cm | 
| Tuuma | 262.20472441 in | 
| Jalka | 21.8503937008 ft | 
| Jaardi | 7.2834645669 yd | 
| Metri | 6.66 m | 
| Kilometri | 0.00666 km | 
| Maili | 0.0041383321 mi | 
| Merimaili | 0.0035961123 nmi | 
