KUnitConversion provides functions to convert values in different physical
units. It supports converting different prefixes (e.g. kilo, mega, giga) as
well as converting between different unit systems (e.g. liters, gallons). The
following areas are supported:

* Acceleration
* Angle
* Area
* Currency
* Density
* Energy
* Force
* Frequency
* Fuel efficiency
* Length
* Mass
* Power
* Pressure
* Temperature
* Time
* Velocity
* Volume

Homepage:
https://community.kde.org/Frameworks
