How to draw floor plan online free: Step-by-Step 2026

Creating a floor plan used to mean one of three things: hiring an architect, buying specialized software, or spending a weekend learning a tool that wasn't built for occasional use. None of these options made sense for someone who needed a floor plan for a single renovation project, a new apartment layout, or a furniture arrangement decision.

In 2026, a free floor plan maker runs entirely in a browser, requires no design experience, and produces a result — accurate 2D floor plan, furnished layout, photorealistic 3D render — that would have required professional software five years ago. The entire process takes less than an hour for a standard room.

This guide walks through the complete process step by step: from measuring your space to sharing a finished floor plan, with everything you need to know at each stage and nothing you don't.

Before You Start: What You Need

Your room measurements. A tape measure and five minutes is all it takes to get the numbers you need: the length of each wall, the width and position of each door, and the position of each window. Write these down before opening the tool — having them in front of you makes the drawing process much faster.

A browser and an internet connection. Everything else happens in the tool.

Optional but useful: Photos of the room taken from each corner. These help you remember details — which wall the radiator is on, where the light switch sits — that affect furniture placement even if they don't appear in the floor plan itself.

The Best Free Floor Plan Creator Online

The free floor plan creator online

we recommend is Coohom. Here's why it earns that position over the alternatives:

Complete workflow on the free plan. Many free tools gate the most useful features — 3D view, high-quality export, multiple projects — behind a subscription. Coohom's free plan includes the full workflow: 2D drawing, furniture placement from a library of over 70 million models, real-time 3D preview, and standard render export. No paywall appears mid-project.

Precise dimension input. Click any wall and type the exact measurement. The wall updates to that dimension precisely. This sounds basic but is missing from several popular free tools that only allow freehand wall drawing without dimension locking.

Physically based 3D rendering. The 3D view uses physically based rendering — light and shadow behave as they do in a real room. The result looks like interior photography rather than a diagram, which makes it genuinely useful for design decisions and presentations.

Browser-based with cloud sync. No installation, no local files to manage. Projects save automatically and are accessible from any device. A shareable link lets anyone view the floor plan and 3D model without creating an account.

Step-by-Step: How to Create a Floor Plan Online for Free

Step 1 — Create a Free Account

Go to coohom.com and click "Start for Free." Enter your email and create a password. The account creation takes about 60 seconds and gives you access to the full tool with no credit card required.

Step 2 — Start a New Project

Click "New Project" from the dashboard. Select your unit system — metric (centimeters or meters) or imperial (feet and inches) — before you begin drawing. The unit system can be changed later but it's easier to set it correctly from the start.

Give the project a name that identifies the space — "Living Room Redesign" or "New Apartment Layout" — so it's easy to find later if you're working on multiple projects.

Step 3 — Draw Your Room Walls

Select the wall tool from the toolbar. Click to start a wall, move to the end point, and click again. Walls snap to the grid by default, which keeps them straight and helps corners close cleanly.

Draw all four walls of your room. After drawing, click each wall and input the exact dimension from your measurements. The wall updates to the precise length. Check each corner — zoom in to verify the walls connect without gaps.

For non-rectangular rooms, draw additional wall segments to create the correct outline. An L-shaped room uses six wall segments; a room with an alcove uses eight or more. Each segment connects to the previous at a snapped corner.

save pin

Step 4 — Add Doors

Select the door tool from the toolbar and drag a door onto the wall where it belongs. The door snaps to the wall at the nearest position. Adjust the width to match your actual door — standard interior doors are 32 to 36 inches wide — and position it correctly along the wall.

Check the swing direction. The arc should open in the direction the door actually opens. If it's reversed, flip it with a single click. Do this for every door before moving on — swing direction affects how much floor space the door occupies and determines furniture clearance requirements.

Step 5 — Add Windows

Drag windows from the toolbar onto the correct walls. Set the width to match your actual windows and position each window at the correct location along the wall. In the 3D view, windows appear at the standard sill height — verify this looks correct for your room.

save pin

Step 6 — Add Architectural Details

Before placing any furniture, add any fixed elements specific to your room: a support column, a radiator, built-in shelving, a fireplace, or a bay window. These elements constrain furniture placement and should be in the plan before you start furnishing.

Step 7 — Verify the Room Shell in 3D

Switch to the 3D view and walk through the empty room. Check that all walls form a complete enclosure with no gaps, that doors appear on the correct walls with visible swing arcs, and that windows appear at the right height and position. Fix any issues in 2D and re-check in 3D.

This verification step takes two minutes and prevents discovering problems after you've spent time placing furniture.

Step 8 — Place Furniture

Open the furniture library and browse by category: living room, bedroom, kitchen, bathroom, dining, office. Drag items from the library into the 2D floor plan. Rotate by right-clicking and selecting rotation, or by using the rotation handle that appears when an item is selected.

Use the dimension display in the 2D view to verify clearances as you place items:

1. Main circulation paths: minimum 36 inches
2. Beside beds: minimum 24 inches
3. Around dining tables: minimum 36 inches for chairs plus passage

Start with the primary anchor piece in each zone — the sofa, the bed, the dining table — and build the rest of the room around it.

save pin

Step 9 — Refine in 3D

Switch to the 3D view and evaluate the furnished room. Look for:

1. Furniture that feels too large or too small relative to the room
2. Paths that feel narrow or blocked
3. Sight lines from the entrance that feel welcoming or awkward
4. How natural light from the windows interacts with the furniture arrangement

Adjust in 2D based on what you see in 3D. The back-and-forth between views is where the design gets refined.

Step 10 — Export and Share

When the layout is final, generate a render from the 3D view. Export as a PNG image for sharing in messages, presentations, or emails. Or copy the project link — anyone with the link can view the interactive floor plan and 3D model in their browser without creating an account.

Tips for a Better Floor Plan

Measure twice, draw once. Measurement errors in the room shell compound through the entire plan. A wall that's six inches off makes every clearance calculation six inches wrong. Spend the extra minute verifying measurements before inputting them.

Work from largest to smallest. Primary furniture (sofa, bed, dining table) before secondary furniture (chairs, side tables, storage) before accessories. Getting the large pieces right first makes the rest of the arrangement fall into place.

Test an alternative layout before finalizing. The first arrangement is usually the default — the obvious choice. Moving the primary piece to a different wall, or rotating the zone layout 90 degrees, often reveals a better option. It takes two minutes to try in the planner and saves hours if you discover the alternative works better after physically moving furniture.

Use the 3D view to evaluate, not decorate. The 3D view is for spatial evaluation — does the room feel right to be in? Don't get distracted by material and color choices until the layout is confirmed. Spatial logic first, aesthetics second.

Frequently Asked Questions

How long does the full process take? For a single room with known measurements: 10 to 15 minutes to draw the room shell, 15 to 20 minutes to place and refine furniture, 5 minutes to render and export. Under an hour from start to finished floor plan.

Do I need to know architectural drawing conventions? No. The tool handles standard conventions automatically — door swing arcs, wall thickness, window symbols. You need to know where things are in your room. The tool handles how they're represented.

Can I create a floor plan for a full apartment? Yes. Draw each room using the same wall tool and connect them by aligning shared walls. The full apartment plan builds room by room in the same project. Multi-room plans take longer — budget two to three hours for a full two-bedroom apartment from scratch.

Is the free plan good enough for professional use? For presentations to clients, partners, or landlords — yes. For technical drawings required for construction permits or structural work — no. Coohom's free tier produces presentation-quality output. For official architectural documentation, professional software and licensed architects are required regardless of which tool you use.

What if I make a mistake? Everything in the tool is undoable with Ctrl+Z. Walls, doors, and furniture items can all be deleted, repositioned, or resized at any point. There's no penalty for experimenting.

Your Floor Plan Is One Hour Away

The gap between needing a floor plan and having one is smaller than most people think. With measurements in hand and a capable free tool, a single room goes from blank canvas to finished 3D render in under an hour. A full apartment takes an afternoon.

The result is a floor plan you can act on — for furniture decisions, renovation planning, or design presentations — without professional help and without spending anything.

Start your floor plan for free here — draw your room, furnish it, and render it in 3D, all in your browser.