| 660 cm * | 0.01 m | = 6.6 m | 
| 1 cm | 
| Natuurkundige eenheid | Lengtes | 
|---|---|
| Nanometer | 6600000000.0 nm | 
| Micrometer | 6600000.0 µm | 
| Millimeter | 6600.0 mm | 
| Centimeter | 660.0 cm | 
| Inch | 259.842519685 in | 
| Voet | 21.6535433071 ft | 
| Yard | 7.217847769 yd | 
| Meter | 6.6 m | 
| Kilometer | 0.0066 km | 
| Mijl | 0.0041010499 mi | 
| Zeemijl | 0.0035637149 nmi | 
