| 420 mm * | 0.1 cm | = 42.0 cm | 
| 1 mm | 
| Ölçü birimleri | Uzunluk | 
|---|---|
| Nanometre | 420000000.0 nm | 
| Mikrometre | 420000.0 µm | 
| Milimetre | 420.0 mm | 
| Santimetre | 42.0 cm | 
| İnç | 16.5354330709 in | 
| Fit | 1.3779527559 ft | 
| Yarda | 0.4593175853 yd | 
| Metre | 0.42 m | 
| Kilometre | 0.00042 km | 
| Mil | 0.0002609759 mi | 
| Deniz mili | 0.0002267819 nmi | 
