areacalc trace a floor plan, get its area
How it works

Three steps

  1. Add a floor-plan image — drop, click, or paste it.
  2. Calibrate: click both ends of one known length and type its real size.
  3. Trace each room corner by corner; click the first point to close. Areas update live.

Controls

scrollzoom in / out dragpan the plan, or move a point alt + clickdelete a point ⌫ / ctrl Zundo enterclose the current outline escdiscard the current outline
Drop a floor plan here
click to browse · or paste from clipboard · PNG JPG WebP