PLength 1.1.0 that could have been downloaded from our website for free. The latest version of the software is supported on PCs running Windows 7/8, 32-bit. PLength lies within Photo & Graphics Tools, more precisely 3D Design. This free software is an intellectual property of Pro-Cad.Net. The most popular versions of the program are 1.1 and 1.0.
From the developer:
PLength is an AutoCAD extension that displays the total length of multiple selected polylines and copies the value to Windows clipboard. Type PLength in the command line, select multiple polylines, and press enter to obtain the total length of the polylines. The value is automatically copied to windows clipboard to be pasted as needed.
You may want to check out more software, such as Win4D Advance or FRED Optical Engineering Software, which might be similar to PLength.