| 421 mm * | 0.0393700787 in | = 16.5748031496 in |
| 1 mm |
| Units of measurement | Length |
|---|---|
| Nanometre | 421000000.0 nm |
| Micrometre | 421000.0 µm |
| Millimetre | 421.0 mm |
| Centimetre | 42.1 cm |
| Inch | 16.5748031496 in |
| Foot | 1.3812335958 ft |
| Yard | 0.4604111986 yd |
| Metre | 0.421 m |
| Kilometre | 0.000421 km |
| Mile | 0.0002615973 mi |
| Nautical mile | 0.0002273218 nmi |
