eCut for Adobe Illustrator CC 2019 may work not on all PC.
For now, unfortunately, latest version of AI CC 2019 is not supported on 100%. Because it does not support connection from external plugins.
Many plugins face with this problems. Waiting Adobe to fix this. And now you can try early beta version to try if eCut will work on your PC.
Function > Perimeter
Note: to get correct result you have to convert all objects to curves (create outlines)
Very useful function. Allows you to calculate length of selected curves.
It has UPDATE button, so you do not have to close it and start each time - simply press this button and eCut will process selected shapes.
Using built-in calculator - you can calculate service cost.