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Space Planner for Any Room, Home or Outdoor Area

Plan any space: a single room, a full home, an office or an outdoor area, all in one free tool.

Free forever No signup to draw Metric & imperial
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Space Planner for Any Room, Home or Outdoor Area example drawn to scale in SpacePlanner to scale
At a glance

What you are working with

18 x 24 instanding body footprint
48 infor two people to pass
70 sq ftminimum habitable room
60 to 110 sq ftper open plan workstation
How it works

How the Space Planner for Any Room, Home or Outdoor Area works

The method

Space planning is arithmetic before it is arrangement

Whatever the space is, the sequence is the same. Name what happens there. Count the people who do it at once. Multiply by the area each of them needs for that activity. Then compare the total with the area you actually have. A room where four people eat needs roughly 60 sq ft of table and chair zone before circulation. Six open plan workstations need 360 to 660 sq ft of desk zone before meeting rooms and storage are added. A standing gathering of thirty needs about 180 sq ft of clear floor. Doing this sum first tells you whether the space is short, adequate or generous, and no amount of clever furniture arrangement changes the answer.

  • Write down the activity and the number of people before drawing anything.
  • Multiply people by the per-person area for that specific activity.
  • Add circulation on top. It is usually 10 to 15 per cent of the total.
  • Compare the total with the measured area, not with the room you imagined.
Scale

Sizing starts at the body, not at the wall

Every dimension in a plan traces back to a person. A standing adult occupies an ellipse of about 18 by 24 in. One person walking needs 24 in of clear width, two people passing need 48 in. A seated person at a desk needs the desk depth plus about 36 in behind for the chair. Once you know those figures, room sizes stop being arbitrary. A hallway is 36 in wide because that is one person plus the room to carry something. A habitable room has a 7 ft minimum dimension because anything narrower cannot hold a person, a piece of furniture and a way past. Build up from the body and the plan comes out the right size the first time.

  • One person walking: 24 in of clear width. Two passing: 48 in.
  • A seated worker needs the desk depth plus 36 in of roll-back.
  • No usable room measures less than 7 ft in its short direction.
  • Furniture at true size shows the body space it eats, icons do not.
Any space

One canvas for rooms, homes, offices and outdoor areas

The same method works at every scale, so it makes sense to use the same tool. Draw walls to scale with live dimension labels, add doors, windows and openings, and drop in furniture and fixtures at true real-world size. Work in metric or imperial and switch whenever you like. Add levels connected by stairs when the space goes vertical, and keep indoor and outdoor areas on one canvas when the plan runs past the back wall. Start from a template if it is quicker. Check the result in 3D, then export it as an image or share it. Nothing is installed and no account is needed to start drawing.

  • Walls drawn to typed dimensions, with the length shown as you draw.
  • Furniture, fixtures and outdoor items at true size, not as symbols.
  • Multiple levels connected by stairs, and outdoor areas on the same plan.
  • View in 2D and 3D, then export the plan as an image or share it.
Step by step

From empty canvas to a layout you can trust

1

Define the brief in numbers

Write down what the space is for and how many people use it at once. Multiply by the per-person area for that activity to get a target. This one line decides whether the rest of the exercise is layout or triage.

2

Draw the shell to measured dimensions

Measure the space and type each wall length in. SpacePlanner draws it to scale with a live dimension label, so the outline on screen matches the space you measured. Add doors, windows and openings where they really are.

3

Place the fixed and the large items first

Start with anything that cannot move, then the biggest pieces. If the large items alone do not leave sensible routes through the space, rearranging the small ones will not rescue it.

4

Measure what is left, then adjust

Check the gaps against the figures below: 24 in for one person, 48 in for two, 36 in behind a working chair. Try a second arrangement, view it in 3D, and export or share the version that works.

Reference

Space per person and minimum usable areas

Space planning standards start with the person and work outward. The first rows below are ergonomic figures: how much floor a body occupies and how much clear width people need to move. The middle rows are per-person allowances by activity, used to size a dining area, an office or a gathering. The last rows are regulated minimums for rooms and dwellings. Minimums are floors, not targets, and they vary by jurisdiction, so confirm the ones that apply where you are building.

How much room a body, an activity and an occupant actually need, from a single figure up to a whole dwelling.
MeasureImperialMetricWhy it matters
Standing adult, body footprint 18 x 24 in 46 x 61 cm The ellipse used to size crowds, queues and circulation.
Clear width for one person to walk 24 in 61 cm Shoulder width plus a little. Below this people turn sideways.
Clear width for two people to pass 48 in 122 cm Drops to 36 in (91 cm) if one of them steps aside.
Standing gathering, per person 6 sq ft 0.55 sq m Dense but workable. Allow 8 sq ft if people carry plates.
Seated at tables, per person 12 to 15 sq ft 1.1 to 1.4 sq m Includes the table share and the space to pull a chair out.
Open plan workstation footprint, per desk 60 to 110 sq ft 5.5 to 10 sq m The desk zone plus its share of the aisle beside it. This is the per-workstation figure, not gross floor area per person, which is higher again once meeting rooms, storage and the service core are counted.
Habitable room, minimum floor area 70 sq ft 6.5 sq m And no less than 7 ft (2.13 m) in any horizontal direction.
One bedroom home for one person, minimum 398 sq ft 37 sq m Rises to about 420 sq ft (39 sq m) with a full bathroom.
Two bedroom home for three people, minimum 656 sq ft 61 sq m Single storey. A three bedroom home for four rises to about 797 sq ft (74 sq m).
Built-in storage in a small home 11 sq ft 1.0 sq m Add roughly 5 sq ft (0.5 sq m) for each extra occupant.
In the editor

What the tool gives you

Draw walls in seconds

Click to place walls with live dimensions and smart snapping. Everything stays to scale.

Drag-and-drop furniture

A library of standardized furniture and fixtures at real-world sizes: beds, sofas, kitchens, baths and more.

Indoor + outdoor

Plan gardens, patios, pools and outdoor kitchens on the same canvas as your interior rooms.

Multi-level planning

Connect floors and outdoor levels with stairs to design split-level homes and sloped gardens.

Export your plan

Export to image or structured data when you are ready, perfect for sharing or rendering.

Metric & imperial

Switch between cm, meters and feet/inches any time. Areas update automatically.

Related planners

Plan a different space

Templates

Start from a real layout

FAQ

Space Planner for Any Room, Home or Outdoor Area FAQ

Is the space planner for any room, home or outdoor area free?

Yes. The SpacePlanner space planner for any room, home or outdoor area is completely free to use online. You can start drawing instantly without signing up.

Do I need to install anything?

No. It runs entirely in your browser on desktop, tablet or mobile. There is nothing to download or install.

Do I need an account to draw?

No. You can draw a full plan without an account. We only ask you to sign up when you want to save, export or share your work.

Can I plan outdoor spaces too?

Yes. You can plan gardens, patios, backyards, pools and outdoor kitchens alongside indoor rooms on the same canvas.

What is space planning, in practical terms?

It is deciding how much of a floor each activity gets, and where. The work is arithmetic first: list the activities, count the people doing them at the same time, multiply by the area each person needs, add circulation, then compare with the area you have. Only after that does it become a drawing exercise. A plan that skips the arithmetic tends to look reasonable and feel cramped, because the shortfall never shows up until the furniture arrives.

How much space does one person actually need?

It depends entirely on what they are doing. A standing adult occupies about 18 by 24 in of floor. Standing at a gathering takes roughly 6 sq ft per person, sitting at a table 12 to 15 sq ft, and one open plan workstation 60 to 110 sq ft counting the desk, the chair roll-back and its share of the aisle. That last figure is the workstation footprint only. Gross floor area per person in an office is a separate and larger number, because it divides the whole floor plate by headcount and so absorbs meeting rooms, storage and the service core. Pick the figure that matches the activity, not a general one.

Can I plan a room, a whole home and a garden in the same tool?

Yes. It is one canvas at one scale. Draw a single room to its real dimensions, or a full home across several levels connected by stairs, or the outdoor area beyond the back wall, all in the same plan. Units switch between metric and imperial at any point, furniture and outdoor items are drawn at true size, and you can view the result in 2D or 3D, export it as an image or share it. It is free, and no signup is needed to start drawing.

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