Walls & Wall Decor

Gallery Wall Planner

Plan a rectangular gallery grid and calculate its finished footprint.

Free interactive tool

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Method & guidance

How the Gallery Wall Planner works

Column and row counts combine frame dimensions and consistent gaps into one overall footprint.

How to use this tool

  1. Collect accurate values for number of frames, columns, average frame width.
  2. Enter measurements in the displayed units and select the choices that match this project.
  3. Select Calculate / Generate, then compare the outputs with the stated Gallery Wall Planner method.
  4. Apply the result only after checking product specifications and real site conditions.

Example calculation or use case

For a worked Gallery Wall Planner example, use Number of frames = 8, Columns = 3, Average frame width = 0.35 m, Average frame height = 0.45 m. The tool then applies this method: Column and row counts combine frame dimensions and consistent gaps into one overall footprint.

Frequently Asked Questions

What information does the Gallery Wall Planner use?

It uses the measurements and choices shown in the form. Column and row counts combine frame dimensions and consistent gaps into one overall footprint.

How accurate is the Gallery Wall Planner result?

The calculation is mathematically consistent with the stated assumptions. Lay frames on the floor and photograph the arrangement before transferring it to the wall. Real products, site conditions, and supplier specifications can still change the final decision.

Should I include an allowance?

Use the result as a planning baseline and keep a sensible reserve for site variation, delivery, or fitting.

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