| 12.1 cm * | 0.032808399 ft | = 0.3969816273 ft | 
| 1 cm | 
| Units of measurement | Lengths | 
|---|---|
| Nanometre | 121000000.0 nm | 
| Micrometre | 121000.0 µm | 
| Millimetre | 121.0 mm | 
| Centimetre | 12.1 cm | 
| Inch | 4.7637795276 in | 
| Foot | 0.3969816273 ft | 
| Yard | 0.1323272091 yd | 
| Metre | 0.121 m | 
| Kilometre | 0.000121 km | 
| Mile | 7.51859e-05 mi | 
| Nautical mile | 6.53348e-05 nmi | 
