Units Convert is a free Android app developed by ChemEng Software Design that offers a comprehensive unit converter suitable for professionals and students in engineering, science, and mathematics fields. The app features over 96 unit categories and over 1000 conversions, including user-created conversions.

The app is easy to navigate, with a swipe left-right function to change screens. Users can select their unit group from a list and choose the required conversion from the types list. Once selected, the conversion value is displayed below, along with the calculated result from the entered data. The app also shows the reverse direction for the selected conversion. Calculations are performed on a selected unit conversion by entering a number value in the unit to convert field or clicking the calculate button near the bottom of the screen.

The app also includes a sci-calculator and a user addata screen where users can add, edit, or delete their own unit conversions. The settings screen allows users to adjust the required number of figures after the decimal point and display the result in engineering form. Overall, Units Convert is a reliable and easy-to-use unit converter app that provides a wide range of conversions for various fields.