Install libconvert-units-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libconvert-units-perl
Description:
Perl module for performing unit conversions
The Units package is a collection of modules for parsing strings with unit measurements (such as "12pt" or "3 meters") and converting them to some other unit (such as "picas" or "inches").
Version: 1:0.43-2
Section: universe/perl