Floor Plan Area Tracer

Trace rooms, set a scale, get areas & wall lengths.

Auto-saved locally.

1 · Floor plan image

Or drag & drop / paste an image onto the canvas.

2 · Units

3 · Set the scale

Trace a region (e.g. the whole outline), select it in the list below, then enter its real area.

Selected region's real area

No scale set yet.

4 · Regions

No regions yet. Click Trace new region, then click points on the plan. Close it by clicking the first point again or pressing Enter.

Totals

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Auto-trace (✨ tool)

Pick the Auto tool, then click inside a room — it follows the walls automatically. Tune below if it grabs too much or too little.

Wall sensitivity 48 Corner simplify 3 px

Snapping

Snap to nearby corners Snap to 90° / 45° (hold Shift to force)

Display

Show wall lengths Show region areas

Export

Include wall lengths on image

PNG & PDF show your plan with coloured rooms, names, areas and (optionally) every wall length. PDF adds a room-schedule page. DXF exports true-to-scale room polylines for CAD (set a scale first for real-world units).

Drop a floor plan here

PNG / JPG · or click to choose a file

Load an image to begin.