| 4210 cm * | 0.01 m | = 42.1 m | 
| 1 cm | 
| Units of measurement | Unit of length | 
|---|---|
| Nanometre | 42100000000.0 nm | 
| Micrometre | 42100000.0 µm | 
| Millimetre | 42100.0 mm | 
| Centimetre | 4210.0 cm | 
| Inch | 1657.48031496 in | 
| Foot | 138.12335958 ft | 
| Yard | 46.04111986 yd | 
| Metre | 42.1 m | 
| Kilometre | 0.0421 km | 
| Mile | 0.0261597272 mi | 
| Nautical mile | 0.0227321814 nmi | 
