It's a python unit convertor with a GUI, I highly recommend using python 3.14.5.
It uses tkinter (called on as GUI in the code) and math library, to convert between kilometers, meters, and miles, all calculations are done with extreme accuracy but final answers are rounded to the second decimal. Upon entering you need to select the unit you are converting from on the list box, then in the text box insert how many of said Unit. Upon clicking convert it will give you the conversions to both other units. It may not work if your using a different version of python or simply do not have python 3.14.5
I personally used visual studio code to program it, this took about 4 hours. I'm still relatively new to python and this was just my literal side project.
Little extra thing, I've attached 2 archived versions. The .zip is just all of these files as one download if you want it, the .7z is useful since it's a heavily compressed archive. For those on macOS, you can natively open the .7zip file, for those on Windows, you will have to download the official version of the .7zip. Since 7zip is not available on macOS (to create files; you can still open ones that i've made) I highly recommend keka since it tends to be better at opening them and allows you to create many different kinds of archives.
This was programmed and tested on macOS apple sillicon, it might not work as well on other operating systems. Just a general warning for macOS users: the homebrew version of python seemingly does not contain tkinter; and thus will not be able to run this program.
I'm open to feed back; just write to me if you'd like.
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