Inputs
Use the form to model desk arrangements inside a clean, efficient garden workspace.
Formula used
Usable room area: (L − 2E) × (W − 2E), where L is room length, W is room width, and E is edge clearance.
Effective desk depth: Dₑ = D + C, where D is desk depth and C is chair clearance.
Row capacity: desks per row = ⌊(usable width + gapX) / (desk width + gapX)⌋, rows = ⌊(usable length + gapY) / (Dₑ + gapY)⌋, capacity = perRow × rows.
Wall capacity: per wall = ⌊(run length + wallGap) / (desk width + wallGap)⌋, with a door gap reserved on the selected wall.
How to use this calculator
- Choose your units, then enter room length, width, and edge clearance.
- Enter desk width and depth, plus chair clearance for working space.
- Select a layout type and set gaps or aisle rules.
- Reserve a door opening so movement stays practical.
- Press calculate and review capacity, preview, and warnings.
- Download CSV or PDF to share the plan with others.
Space planning for potting zones
A productive garden workroom starts with a clear usable footprint. The calculator subtracts edge clearance from every side so benches and storage do not pinch circulation. Enter room length and width, then set edge clearance to match shelving depth, hose reels, or tool racks. The remaining rectangle is the planning zone for desks. For propagation work, keep at least one uninterrupted aisle from the door to your sink and watering point.
Desk sizing and reach envelopes
Desk width controls how many stations fit across the room, while desk depth controls how much the room consumes front‑to‑back. This tool also adds chair clearance to desk depth to represent the pull‑back space needed for seated seed starting, labeling, or tray sorting. If rotation is allowed, the model swaps width and depth to test a better fit.
Walkway and door clearance management
Safe movement matters when carrying flats, compost, or watering cans. Minimum walkway sets the smallest aisle the layout will allow, and row aisle spacing is automatically increased if you enter a smaller value. Door width reserves an opening on the selected wall, preventing desks from blocking access. Door swing clearance depth is listed so you can check conflicts with carts.
Choosing rows versus perimeter layouts
Row layouts maximize capacity in rectangular rooms by repeating a simple grid. Capacity uses floor functions so only full desks count, and it reports desks per row and total rows. Perimeter layouts prioritize an open center for mixing soil or staging plants, distributing desks along walls and trimming corners to reduce overlap. U‑shape keeps three walls active while leaving one side open.
Exporting and documenting the plan
Results summarize capacity, planned desks, and free usable area after desk footprints. Use the scaled preview to confirm proportions, then export to CSV for quick sharing or import to a project sheet. The PDF captures key inputs and a snapshot of the preview, supporting consistent layout reviews during seasonal changeovers.
FAQs
What does edge clearance represent?
It is the buffer along all walls for shelves, hoses, and safe movement. The calculator removes this from both dimensions to form a usable planning zone.
Why is chair clearance added to desk depth?
It models the pull-back space needed to sit, slide stools, and stand up. This prevents layouts that look fine on paper but feel cramped during daily work.
Which layout should I choose for seed starting?
Rows suit high station counts and repetitive tasks. Perimeter or U-shape keeps the center open for tray staging, soil mixing, or rolling carts.
How is desk capacity calculated?
The tool uses whole-desk fitting with floor functions. It counts only complete desks that fit within usable dimensions after clearances and gaps are applied.
Can I plan around a door or entry?
Yes. Select the door wall and set door width so an opening is reserved. Review the door clearance depth value to confirm swings and cart paths.
Do exports include my preview layout?
CSV lists the inputs and summary metrics for spreadsheets. PDF includes the same summary and a snapshot of the preview for easy sharing.
Example data table
| Scenario | Room (L×W) | Desk (W×D) + Chair | Layout | Gaps | Planned desks | Typical fit |
|---|---|---|---|---|---|---|
| Small potting room | 4.0×3.0 m | 1.2×0.6 m + 0.6 m | Rows | 0.3 side, 1.0 aisle | 6 | Up to 6 desks |
| Narrow workspace | 5.0×2.6 m | 1.0×0.6 m + 0.6 m | Perimeter | 0.2 wall | 7 | 6–8 desks |
| Open center area | 6.0×3.6 m | 1.2×0.7 m + 0.6 m | U-shape | 0.2 wall | 10 | 8–12 desks |