I am currently learning Python for Maya and this is my first project. I came up with the idea to create this script after my own frustration using the distance tool in Maya.
Just select an object and the axis to measure, and accurate distance dimensions are instantly generated, providing precise measurements for your objects.
The script can be downloaded for free by clicking here.
Find the latest version and the changelog at: https://bishopvfx.gumroad.com/l/easymeasure