| 42.1 cm * | 0.01 m | = 0.421 m | 
| 1 cm | 
| Måleenhed | Længde | 
|---|---|
| Nanometer | 421000000.0 nm | 
| Mikrometer | 421000.0 µm | 
| Nillimeter | 421.0 mm | 
| Centimeter | 42.1 cm | 
| Tomme | 16.5748031496 in | 
| Fod | 1.3812335958 ft | 
| Yard | 0.4604111986 yd | 
| Meter | 0.421 m | 
| Kilometer | 0.000421 km | 
| Nil | 0.0002615973 mi | 
| Sømil | 0.0002273218 nmi | 
