1A Unit Converter is a powerful and easy to use app with a clean and beautiful user interface. This useful tool is user friendly, intuitive, customizable and feature rich and comprises the most commonly used conversions as well as some unusual categories... With the '1A Unit Converter pro' you enjoy a completely ad-free version of the app and support the further development of this project. The unique app contains 4 categories of units. It's the Swiss knife - a toolbox for all occasions - for