Occasionally, similar "Total Length" utilities are offered for free as official plugins.
Since TLEN.lsp is an open-source script, you should never pay for it. You can find the file on several reputable CAD community websites.
Add the TLEN.lsp file here. Now, AutoCAD will load it automatically every time you start the program. Troubleshooting Common Issues autocad tlenlsp download free
AutoCAD is a powerful tool, but it often lacks built-in features for specific, repetitive tasks—like calculating the total length of multiple objects at once. This is where the TLEN.lsp routine comes in. It is one of the most popular LISP routines for engineers, architects, and surveyors.
A massive library of free tools where users share various versions of the tlen script. Add the TLEN
Make sure your objects are not "Blocks." TLEN measures geometry; if lines are inside a block, you may need to explode them or use a specialized block-counting LISP.
Always ensure the file extension is .lsp before downloading. Avoid .exe files from untrusted sources, as these are not standard LISP files. How to Install and Run TLEN.lsp in AutoCAD This is where the TLEN
In the file browser, locate the TLEN.lsp file you downloaded.
The file size is tiny and does not slow down your software. How to Download TLEN.lsp for Free