Very simple unit converter

Project for a friend

Can convert

length ( centimeter millimeter meter kilometer inches feet )
weight ( gram kilogram miligram microgram pounds )
volume ( cubic-meters cubic-centimeter cubic-foot cubic-kilometer litres)
number (binary decimal hex octal)

Technologies

Gui was created with Scene Builder and JavaFx
logic was created with Java and basic Java libraries
Netbeans IDE version 12.0

Showcase