| 421 cm * | 0.032808399 ft | = 13.812335958 ft | 
| 1 cm | 
| Mittayksikkö | Pituudet | 
|---|---|
| Nanometri | 4210000000.0 nm | 
| Mikrometri | 4210000.0 µm | 
| Millimetri | 4210.0 mm | 
| Senttimetri | 421.0 cm | 
| Tuuma | 165.748031496 in | 
| Jalka | 13.812335958 ft | 
| Jaardi | 4.604111986 yd | 
| Metri | 4.21 m | 
| Kilometri | 0.00421 km | 
| Maili | 0.0026159727 mi | 
| Merimaili | 0.0022732181 nmi | 
