Specialized scripts can measure in one unit (e.g., millimeters) and output results in another (e.g., square meters) without manual formulas.
Type TOTAREA and press Enter.
;; 1. Get the user's selection set (if (setq ss (ssget)) (progn (setq idx 0 total 0.0)
Several popular LISP routines are widely used by professionals to streamline these calculations: Total Area (TAREA): A lightweight routine by Lee Mac Programming total area autocad lisp
The command line will display: 12 object(s) selected. Total Area = 34567.89
Regardless of which LISP you choose, the core workflow typically follows these patterns:
Can be set to instantly add text to your drawing displaying the final result. Sample Code: Total Area LISP Function Specialized scripts can measure in one unit (e
: Select the closed boundaries (polylines, circles, or regions) you need to sum up.
Many professionals store the conversion factor in a variable so they don't retype it every session.
If your drawing is in millimeters, AutoCAD calculates the area in square millimeters ( mm2m m squared ). To display the output in square meters ( m2m squared ), find this line in the code: (setq totalArea (+ totalArea area)) Use code with caution. Change it to divide the final value by 1,000,000: (setq totalArea (+ totalArea (/ area 1000000.0))) Use code with caution. 2. Adding Custom Text Prefixes or Suffixes Get the user's selection set (if (setq ss
as total_area.lsp
Using a Total Area AutoLISP routine shifts your focus away from manual mathematics and lets you focus on actual design work. By implementing this script into your daily drafting routine, you can compress hours of tedious data aggregation into a single command shortcut. If you want to customize this script further, let me know:
(if (not ss) (princ "\nNo objects selected.") (progn (setq total-area 0.0) (setq obj-list '()) (setq cnt 0)
: A widely used routine (often attributed to Jimmy Bergmark) that calculates the total area of all selected objects at once. It works on polylines, circles, ellipses, and splines. A2F (Area to Field)