gonvert
Conversion utility that allows conversion between many units
gonvert is a conversion utility that allows conversion between many units, like CGS, Ancient, and Imperial, with many categories, such as length, mass, and numbers. All converted values are shown at once as you type. It is easy to add and change your own units.
There is no official package available for openSUSE Leap 15.6Distributioner
SUSE SLE-15-SP1
Unsupported distributions
The following distributions are not officially supported. Use these packages at your own risk.