A free program for Android, by Xtell Technologies.

In this application, you can calculate the size of any electrical wire based on its parameters. It is a handy utility that is easy to use. You will just have to input the voltage, current, and distance, and the app will calculate the needed wire size in AWG and Circular Mils.

The user interface is very simple and intuitive. All you need to do is enter the required parameters and click the calculate button. It will give you the results in the form of a number. The calculation is performed on a floating window that will stay on top of other open windows and will be visible at all times.