Instantly calculate tile quantity and wallpaper rolls with visual layout preview.
๐ Installation Area (mm)
โ ๏ธ This result is a mathematical estimate for material ordering.
Actual quantities may vary based on worker skill, openings (doors/windows),
and on-site conditions. We recommend ordering extra buffer.
โฌ Enter area and tile size
to see results here.
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What is the Tile & Wallpaper Calculator?
The Tile & Wallpaper Calculator is a free, browser-based tool that helps you order exactly the right amount of materials for interior renovation projects โ no more, no less. For tiles, enter the installation area dimensions in millimeters along with the tile size, grout gap, and layout pattern (straight grid or staggered/brick). The calculator instantly computes the base tile count, applies pattern loss for staggered layouts (5%), adds a 10% safety margin for breakage, and outputs the recommended number of boxes to purchase. An SVG grid visualization highlights cut tiles in red so you can see at a glance where waste occurs. For wallpaper, enter the total wall perimeter and ceiling height, select your wallpaper type (silk standard, wide vinyl, or narrow vinyl), and optionally specify a pattern repeat distance. The calculator determines how many strips can be cut from each roll and outputs the exact number of rolls to order. A visual cross-section shows the usable portion, pattern loss, and waste per roll. All calculations run entirely in your browser โ no data is sent to any server.
Common Use Cases
๐
DIY Home Renovation
Calculate the exact number of tile boxes or wallpaper rolls for a self-renovation project. Ordering the right amount in one purchase ensures color consistency from the same production batch and eliminates costly re-ordering.
๐ง
Contractor Quote Verification
Cross-check material quantities quoted by an interior contractor. Use the breakdown report as a negotiation reference to identify any overestimates in material costs and ensure you are paying a fair price.
๐
Staggered Tile Pattern Planning
Staggered (brick) tile layouts produce 5% more waste than straight grids due to half-tile offsets at edges. The SVG visualization shows exactly which tiles will be cut, helping you prepare the correct quantity before starting work.
๐จ
Patterned Wallpaper Estimation
Patterned wallpapers require extra material to align repeats between strips. Enter the pattern repeat distance to see the additional waste visualized in the cross-section diagram, and get an accurate roll count to avoid running short mid-project.
How to Use
1
Select Tab
Click the Tile or Wallpaper tab at the top. Switching tabs does not reset your inputs โ you can calculate both materials and switch between them freely.
2
Enter Tile Details
In the Tile tab, enter the installation area width and depth in millimeters, then select a tile size preset or enter custom dimensions. Set the tiles per box (check the product packaging) and the grout gap (default 2mm).
3
Enter Wallpaper Details
In the Wallpaper tab, enter the total wall perimeter in meters and the ceiling height. Select the wallpaper type to auto-fill the roll dimensions. Enter a pattern repeat value if the wallpaper has a pattern (enter 0 for solid colors).
4
View Results and Copy
Results appear automatically as you fill in the inputs. Review the SVG visualization, check the breakdown table, and click Copy Result to paste the full calculation summary into your notes or quote documents.