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Gallery wall planner
Plan a gallery wall to scale. Choose a frame size, grid and spacing, then get the total wall area, a scale drawing and the exact nail position for every frame.
Gallery wall planner
The size the frame is sold as — the artwork opening.
2–3in is the working range. Hold it identical everywhere.
How wide the frame itself is. Added to every edge.
57–60in. Treat the arrangement as one picture.
Top of frame down to the taut wire or D-ring.
- Frames
- 6
- 3 across × 2 down
- Arrangement size
- 44 × 34.5
- inches, outside edges
- Each frame occupies
- 13 × 16
- 11×14 opening + 1in moulding
- Margin either side
- 26 in
- on the wall you gave
Hook heights from the floor
- Row 1 (top down): 72.3 in
- Row 2 (top down): 53.8 in
Hook positions across the wall
- Column 1: 32.5 in from the left edge
- Column 2: 48 in from the left edge
- Column 3: 63.5 in from the left edge
What the planner works out
Give it a frame size, a grid and a gap, and it returns the three numbers that actually matter at the wall: how much space the whole arrangement occupies, whether that fits the wall you have, and where every hook goes.
The hook positions are given as heights from the floor and distances from the left edge of the wall, because those are the two measurements you can take with a tape measure without any reference points of your own.
Why outside dimensions matter
A frame occupies more wall than the number it is sold as. An 11x14 frame with a one-inch moulding measures 13x16 on the wall. Across three columns with 2.5-inch gaps, that is 44 inches rather than the 38 you would get by planning from the sold size — a six-inch error, which is the difference between fitting a wall and not.
That is why the planner asks for the moulding face width separately, and it is the single most common reason a carefully measured gallery wall does not fit.
Spacing, honestly
Two to three inches between frames, and — far more importantly — the same gap everywhere. Inconsistent spacing is the reason most gallery walls look wrong, and it is entirely fixable with a tape measure.
There is an optical effect worth knowing: a vertical gap looks larger than a horizontal gap of the same measurement. Some framers compensate by making vertical gaps slightly tighter. If you do that, do it consistently, and do not do it at all on your first gallery wall.
Still cut the paper templates
This tool gives you numbers. Numbers are not the same as seeing it. Before drilling, cut paper rectangles at the outside dimensions the planner reports, mark the hook point on each, and tape them up. Step back across the room. It takes an hour and it is the step that turns a plan into a decision.
Then drill through the paper at the marks and tear it away.
Beyond the grid
A grid is the most reliable gallery wall layout and the one this planner covers. Three other layouts work well and need more judgement than arithmetic: a shared centre line with mixed sizes, a clean outer rectangle filled irregularly, and a dense salon wall. All three are covered in the gallery wall guide, along with how to choose frames that hold a mixed collection together.
For the fixings themselves — what holds what weight, and when one hook is not enough — see how to hang a picture frame.
8 questions
Frequently asked questions
How much space should be between frames on a gallery wall?
How do I plan a gallery wall before drilling?
How high should a gallery wall be hung?
How many frames do I need for a gallery wall?
Should gallery wall frames match?
Why does the planner ask for the moulding width?
What is the easiest gallery wall layout?
Can I mix portrait and landscape frames?
Read next
- Gallery wall framesFrame size mixes that actually work, the 2–3 inch spacing rule, how to plan a grid or salon wall on paper, and hanging it straight the first time.
- How to hang a picture frameHanging height, hardware by weight, drywall versus plaster, and the paper-template method that gets a gallery wall right the first time.
- Standard picture frame sizes explainedEvery standard picture frame size in inches and centimetres, which print each one fits, and how matting changes the frame size you need to buy.
Other framing tools
- Aspect ratio calculatorFree aspect ratio calculator: solve any missing dimension, simplify the ratio, convert inches to cm, and see every standard frame size that fits without cropping.
- Picture hanging height calculatorWork out exactly where the nail goes. Enter your frame height and hanger drop and get the fixing height, plus the correct gap above a sofa or sideboard.
- Print resolution and DPI calculatorCheck whether your file is sharp enough to print. Enter the pixel dimensions and print size to get the effective DPI, a quality verdict, and your largest usable print.
- Frame depth and rabbet calculatorAdd up glazing, mats, artwork and backing to find the rabbet depth your frame actually needs — and see whether the frame you are looking at will close.
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