How to turn a hand-drawn floor plan into CAD

Updated 20 July 20264 min read

A lot of projects start as a sketch on paper — a napkin plan, a site measure-up, a client's rough idea. Getting that into CAD used to mean redrawing every wall by hand. It doesn't anymore: snap the sketch, let AI detect it, refine, and export DXF/DWG.

The workflow

Snap or scan the sketch — a flat, well-lit photo is fine.
Upload it and let AI detect the walls, rooms, and openings as editable geometry.
Set the scale from one known dimension, then clean up proportions and lines in the editor.
Export layered DXF/DWG for AutoCAD, Revit, or any CAD tool.

Tips for a sketch that reads well

Straight, closed walls — connect corners so rooms read as enclosed spaces.
Consistent line weight — walls heavier than furniture or notes.
Label rooms and a dimension or two — at least one known length to set scale.
Good capture — flat, square-on, no shadows or glare.

Honest expectations

AI is strong at reading a clean sketch, but a rough one is still rough — you'll fix proportions and the odd misread wall in the editor. That's normal, and far faster than tracing from zero. For anything heading to construction, confirm real dimensions with a measurement or survey. Working from a printed plan rather than a sketch? See how to digitize a floor plan.

Turn your sketch into CAD

Upload a hand-drawn plan and get editable geometry and layered DXF/DWG — no redrawing by hand.

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Frequently asked questions

Can you convert a hand-drawn floor plan to CAD?

Yes. Photograph or scan the sketch, and AI detects the walls, rooms, and openings and turns them into editable geometry you can export as DXF/DWG. You refine anything it misreads in the editor — you don't redraw it line by line.

How accurate is it from a rough sketch?

The cleaner and straighter the sketch, the better it reads — clear wall lines and legible labels help a lot. AI gives you a solid editable draft; you correct proportions and details in the editor. For construction, confirm real dimensions with a measurement or survey.

Do I need to redraw the sketch myself?

No — that's the whole point. The old way was to trace the sketch by hand in CAD. AI does the detection so you start from editable geometry and only adjust what's off, instead of drawing every wall from scratch.

What if my sketch isn't to scale?

Most sketches aren't. Set the scale in the editor using one known dimension — a wall length or a door width — and the rest follows. If you don't have a single real measurement, the geometry is still editable, just not yet dimensionally accurate.