Room Layout Calculator
Plan furniture placement and traffic flow by calculating walkable area, coverage percentages, and maximum furniture capacity for any room.
Inputs
ft
ft
Results
Walkable Area
93 sq ft
≈ 2 king-size beds
Furniture Coverage
39.1%
Total Room Area192 sq ft
Traffic Flow Rating3 / 5
Max Furniture Pieces6 pieces
How to Use This Calculator
- Enter Room Length, Room Width, and Number of Doors.
- Set Number of Windows and Furniture Pieces.
- Review Walkable Area (sq ft) and Furniture Coverage (%).
- Use Total Room Area (sq ft) and Traffic Flow Rating (/ 5) to inform your decision.
How the result changes with Room Length
| Room Length | Walkable Area | Furniture Coverage |
|---|---|---|
| 14 | 69 sq ft | 44.6% |
| 38 | 357 sq ft | 16.4% |
| 66 | 693 sq ft | 9.5% |
| 90 | 981 sq ft | 6.9% |
What each input means
- Room Length
- Length of the room measured wall to wall in feet.
- Room Width
- Width of the room measured wall to wall in feet.
- Number of Doors
- Count all doorways including closets; each needs ~3 ft clearance for swing.
- Number of Windows
- Windows require setback space to avoid blocking light and access.
- Furniture Pieces
- Total major furniture items (sofa, table, bookcase, etc.).
What each result means
- Total Room Area
- Total floor area of the room.
- Walkable Area
- Open floor space remaining after furniture and clearance zones.
- Furniture Coverage
- Percentage of floor area occupied by furniture. Aim for 40–60%.
- Traffic Flow Rating
- Rating from 1 (cramped) to 5 (excellent flow) based on walkable space.
- Max Furniture Pieces
- Maximum furniture items while keeping at least 40% walkable area.
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersRoom Length = 16, Room Width = 12, Number of Doors = 2, Number of Windows = 2 = 5 input(s) provided
- Calculate Walkable AreaWalkable Area93 = 93
- Calculate Furniture CoverageFurniture Coverage39.1 = 39.1%
- Calculate Total Room AreaTotal Room Area192 = 192
- Calculate Traffic Flow Rating3 = 3
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