| 438 mm * | 0.0393700787 in | = 17.2440944882 in | 
| 1 mm | 
| Måleenhed | Længde | 
|---|---|
| Nanometer | 438000000.0 nm | 
| Mikrometer | 438000.0 µm | 
| Nillimeter | 438.0 mm | 
| Centimeter | 43.8 cm | 
| Tomme | 17.2440944882 in | 
| Fod | 1.437007874 ft | 
| Yard | 0.4790026247 yd | 
| Meter | 0.438 m | 
| Kilometer | 0.000438 km | 
| Nil | 0.0002721606 mi | 
| Sømil | 0.0002365011 nmi | 
