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Creating a floor plan from a room photo

Don't want to draw or measure? Pick a photo of your room and Room Sketch 3D's AI builds a floor plan from it — walls, dimensions, and furniture — in about 30 seconds. It's an approximate starting point you finish in the editor.

3 min read

Walkthrough video coming soon.

There's drawing a floor plan. There's measuring one. And then there's this: pick a photo of your room, and Room Sketch 3D builds the floor plan for you — walls, dimensions, and furniture — using AI, in about 30 seconds.

One thing to be clear about up front: the result is AI-generated and approximate. It's a starting point, not a finished plan — it gets a lot right and some things close-but-not-quite. That's expected, and it's fine, because correcting it in the editor is fast. You're trading a perfect plan for an 80%-done plan, instantly.

What you'll need

  • A photo of the room you want to plan — a wide shot that shows as much of the room as possible works best.
  • A Room Sketch 3D account. Works on web (desktop) and the iOS and Android apps.

Step by step

  1. 1

    Pick the Room Photo tile

    In the "Design My Room" window, choose the Room Photo tile. On a computer (Windows, macOS, or Linux) this opens your device's file browser. In the iOS or Android app, it opens a photo sheet with three choices — Photo Library, Take Photo, or Choose File.

    Start from the Room Photo tile in the Design My Room window.
  2. 2

    Choose a photo of your room

    Select an image of the room you want to plan. A wide shot that captures as much of the room as possible — walls, corners, and furniture all in frame — gives the AI the most to work with. On the mobile apps you can also take the photo on the spot.

  3. 3

    Preview it, name it, and tap Analyze Room

    You'll see a preview of the photo you picked. Picked the wrong one? Swap it for another. The design gets a default name — "My floor plan" — so change it to something you'll recognize later. Then tap Analyze Room.

    Preview the photo, rename the design, and tap Analyze Room.
  4. 4

    Wait for the AI (about 30 seconds)

    Room Sketch 3D shows a message that it may take up to 30 seconds to create your digital floor plan. It's reading the photo with AI and building the plan from what it sees — the wait is the analysis doing its work.

    The AI analysis takes up to about 30 seconds.
  5. 5

    Land in the editor with your floor plan

    When it's done, you're taken straight into the design editor with the floor plan already loaded. The AI has chosen the room's dimensions, identified the furniture it could see, and recreated each piece as custom furniture sized to what it assessed from the photo. Take a moment to see what it got.

    You land in the editor with walls, dimensions, and furniture already placed.
  6. 6

    Refine it — this is a starting point

    The generated plan is a head start, not a final answer — the AI can make mistakes. Fixing them is quick: Adjust the room shape — tap a wall to change its length, or add and remove corners to correct the outline. Fix the furniture — tap any piece to move it, resize it, or delete it. Add the pieces the AI missed from the furniture catalog (or as custom furniture). Five minutes of cleanup on a 30-second head start beats drawing the whole room from scratch.

    Tap walls, corners, and furniture to correct anything the AI got wrong.

Tips

Give the AI a wide shot

The more of the room the photo captures — multiple walls, the corners, the furniture — the more the AI has to work with. A tight close-up of one corner gives it less to go on than a wide shot from a doorway.

Treat it as a draft, not a deliverable

The fastest way to be happy with photo import is to expect to edit it. It removes the blank-page problem and does the tedious 80%; you do the accurate finish.

Check the dimensions first

Before you furnish, glance at the room dimensions the AI chose and correct any that are clearly off — tap a wall and set its real length. Everything downstream (furniture fit, Smart Flow Check, 3D) depends on the walls being right.

Snap the photo on the spot in the app

On iPhone, iPad, or Android you can use Take Photo right inside the flow — stand in the doorway, capture the room, analyze. No need to find an existing picture.

Common mistakes

Expecting a perfect plan

It's AI, and it's approximate — the help text says so on the way in. Going in expecting a finished, to-the-inch plan leads to disappointment; going in expecting a strong starting point leads to a finished plan in a few minutes.

Furnishing before you fix the walls

If the room dimensions are off, every furniture-fit decision on top of them is off too. Correct the outline — wall lengths and corners — before you start adding or arranging furniture.

Using a cropped or cluttered photo

A photo that only shows one corner, or is mostly a close-up of a couch, gives the AI little of the room to read. A clear, wide shot produces a noticeably better starting point.

Frequently asked questions

How accurate is the floor plan from a photo?

It's AI-generated and approximate — a starting point, not a finished plan. Room Sketch 3D tells you this when you analyze the photo. It gets the overall shape and much of the furniture close, but expect to correct some wall lengths and furniture sizes in the editor. That cleanup is quick.

How long does it take?

Up to about 30 seconds. Room Sketch 3D shows a message while the AI reads the photo and builds the digital floor plan, then drops you straight into the editor with the result loaded.

Does it detect furniture too, or just the walls?

Both. The AI chooses the room's dimensions and also identifies the furniture it can see in the photo, recreating each piece as custom furniture sized to what it assessed. You can then move, resize, delete, or add to those pieces.

Can I use it on my phone?

Yes — it works on the web (desktop) and the iOS and Android apps. On a computer the Room Photo tile opens a file browser; in the apps it opens a photo sheet where you can pick from your Photo Library, Take Photo, or Choose File.

What kind of photo works best?

A wide shot that shows as much of the room as possible — several walls, the corners, and the furniture all in frame. A clear, well-lit wide photo from a doorway gives the AI far more to work with than a tight close-up.

What if the generated plan is wrong?

Fix it in the editor — that's expected. Tap a wall to change its length, add or remove corners to correct the room shape, and tap any piece of furniture to move, resize, or delete it. Add anything the AI missed. It's a starting point you finish, not a final output.

Start designing your room

Draw it, furnish it, walk through it in 3D — on web, iOS, and Android.

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