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/Guides/Floor plan to CAD

PhotoCAD Guides

How to Convert a Floor Plan to CAD

A listing plan, a scanned drawing, a plan photographed on a table, a sketch on graph paper. Four ways to get it into CAD at the right scale, and what each one gives you back.

  • Listing and brochure plans

    The plan from a property listing or a sales brochure, saved as an image or a PDF.

  • As-built and existing plans

    The architect's drawing of the building as it stands, scanned to PDF or image years ago, or the existing floor plan a permit set needs.

See it in action

Real conversions from PhotoCAD. Drag the slider to compare the original plan with the vector drawing.

Original photo of Residential House Floor Plan
Residential house floor plan vector line drawing, three bedrooms, room boundaries, doorway swings and labeled fixtures, for CAD reference.
Original photo of Broadway & Baker House Floor Plans, San Francisco
Broadway and Baker Street house floor plans vector line drawing, two-story layout with chambers, staircase hall, living room and reception rooms, for CAD reference.
Download Broadway & Baker House Floor Plans, San Francisco from the gallery
Original photo of Residential Floor Plan with Living, Dining, and Garage
Vector line drawing of Residential Floor Plan with Living, Dining, and Garage
Download Residential Floor Plan with Living, Dining, and Garage from the gallery

Four ways to get a floor plan into CAD

Redraw it by hand

Time
Hours a floor
Cost
Your time

Attach the image in AutoCAD, scale it, and draw the walls over it. Exactly what you draw, and nothing until you have drawn it.

Floor plan redraw service

Time
Next business day
Cost
$20 to $38 a floor

A clean 2D plan drawn for a listing, from your image. Quick and cheap; usually delivered as an image or a viewer project, not a DWG.

Drafting service

Time
1 to 3 days
Cost
$85 to $150 a sheet

A drafter redraws the plan by hand: layers, editable text, the office's standards. Rush orders cost two to four times as much.

PhotoCAD

Time
About a minute
Cost
~$1 per drawing

The PhotoCAD way, step by step

Most floor plans exist only as pictures. The listing plan of an apartment you are about to renovate, the as-built drawing of an office scanned years ago, the plan a client sketched of the extension they want, the framed fire plan that is the only drawing a property manager has when the contractor asks for a DWG. The building is real, the plan is right in front of you, and CAD cannot do anything with it until someone redraws it.

That redrawing is the slow part, and it is where the mistakes creep in: a wall traced a little off, a door swing the wrong way, a scale set from the wrong dimension. A redraw service does it for a listing, quickly and cheaply, and sends back an image rather than a DWG. A drafting service does the same job with a person who knows CAD, and sends it back in a few days.

PhotoCAD reads the plan as a plan, not as pixels, and drafts it: a wall becomes two straight lines, a door swing a smooth curve, a room closes. Then it lets you finish the job where the plan is: set the scale from one dimension you trust, add the room names and dimensions you need, put it on a titled sheet, and download a DWG that opens at full scale in AutoCAD, Revit, or ArchiCAD.

For the best result

  • One floor per upload

    A sheet with three floors on it converts better as three uploads than as one.

Ready to try it?

Upload a floor plan image, scan, or PDF and get clean linework at real scale.
Your first 3 conversions are free — no card required.

Convert a floor plan

Frequently Asked Questions

Upload the image, scan, or PDF to PhotoCAD and convert it. PhotoCAD drafts the plan as clean linework in about a minute. Click two points with a known distance between them to set the scale, then download it as DWG, DXF, SVG, or PDF.

Yes, once you give it one real dimension. Click two points on the plan, enter the true distance between them, and the whole plan scales to match, in millimeters or feet and inches. A printed dimension on the plan is the easiest reference; a door or a room you have measured works too.

No. The plan comes back as linework: two lines for each wall, arcs for door swings, exactly as drawn. In AutoCAD that is what you want. In Revit or ArchiCAD, link or import the DWG and draw walls over the linework, the same way you would over any CAD import.

PhotoCAD does not calculate areas. Once the plan is scaled, open the DWG in your CAD program and measure rooms there; the figures are as good as the plan you started from and the dimension you scaled it with. For a facilities system that needs closed room polylines on named layers, the plan is a starting underlay, not a finished import.

Yes. PhotoCAD drafts a sketch on graph paper or a survey drawn by hand as clean linework, with wobbly lines made straight and rooms closed. Set the scale from a dimension written on the sketch or one you measure on site.

They come back as linework, not as editable text or blocks, and a digit can occasionally be misread, so check numbers against the original. Room names and dimensions you add in PhotoCAD are editable text in the DWG, on their own layers.

You can set the scale, delete or split lines, set line weights and styles, add labels, arrows, and dimensions, and lay the plan out on a sheet with a title block. Drawing new walls is done in your CAD program, on top of the linework.

Keep exploring

Categories

Architecture & BuildingsMaps & GeographyProducts & Objects

Use cases

ArchitectureIndustrial DesignDigital FabricationHeritage & Archaeology

Converters

PDF to DWGJPG to DWGPNG to DWGSketch to CAD
  • Phone photos of a plan

    A plan on a table, a wall, or a site office pinboard, photographed at whatever angle you could get.

  • Hand-drawn plans

    A survey sketch on graph paper, or the plan a client drew of what they want.

  • Clean linework at real scale you can dimension, lay out on a sheet, and open in any CAD program.

    1

    Get the plan as an image

    A scan or the original PDF is best. A phone photo works: shoot as square to the sheet as you can, in even light. If the angle is off, PhotoCAD squares the photo up before it converts it.

  • JPG
    2

    Upload one plan at a time

    Drop the file in. A PDF with several pages opens a page picker, so pick the floor you want. One floor per upload gives the sharpest result.

  • 3

    Convert

    PhotoCAD reads the plan and drafts it as clean linework: walls as continuous lines, doors with their swings, windows, stairs, without the gray of the scan or the shading of a brochure.

  • 24'-0"
    4

    Set the scale

    Click the two ends of a dimension on the plan, or the two sides of a room you have measured, and type the distance. The whole plan scales to match, in millimeters or feet and inches.

  • FLOOR PLANDRAWN BYSCALE1:100
    5

    Dimension, label, and sheet it

    Add the dimensions and room names you need, put the plan on a titled sheet at any scale, on any size from A4 to A0 or Letter to ARCH E, and fill in the title block.

  • plan.dwg
    6

    Open it in CAD

    Download DWG, DXF, SVG, or PDF. The plan opens at real size in model space, with the sheet as a layout, in AutoCAD, Revit, ArchiCAD, or SketchUp.

  • Convert a floor plan

    3 free conversions. No card required.

    Find one dimension you trust

    A printed dimension, a door you know is 900 mm, a room you have measured. That is all the scale step needs.

  • Walls come back as lines

    Two lines for a wall, an arc for a door swing, exactly as drawn. Not wall objects, so a Revit user draws walls over the linework, as they would over any CAD import.

  • Add your own room names and dimensions

    Text on the original comes back as linework. Labels and dimensions you add in PhotoCAD arrive in the DWG as editable text on their own layers.

  • Any of them. The DWG is written in the 2004 format, which every AutoCAD since then, AutoCAD LT, Revit, ArchiCAD, BricsCAD, and SketchUp Pro import. The DXF, SVG, and PDF come with the same download.