What the tool does, how to run it, and what to expect from the result.
Room area (length times width) is divided by a single tile's area, then a waste allowance is added, 10% for a straight layout, 15-20% for a diagonal, herringbone, or other pattern that produces more offcuts. If you enter tiles per box, the result also shows how many full boxes to buy.
A quick way to understand who this helps, what it solves, and where it connects next.
DIYers and contractors tiling a floor or wall who want to buy the right amount.
Estimating tiles and boxes for a floor or wall tiling project.
Short answers for the questions people usually have before trying a utility like this.
Yes. It is completely free, with no sign-up and no usage limits.
No. Every number is computed locally in your browser tab.
A diagonal, herringbone, or other angled pattern produces more small offcuts at the edges of the room that can't be reused, so it typically needs 15-20% extra tile compared to 10% for a straight grid layout.
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Enter a room's area and tile size to get how many tiles (and boxes) you need for a floor or wall.
80.0 sq ftroom area
88 tilesincluding a 10% cutting allowance
9 boxesat 10 tiles per box
A diagonal (herringbone or offset) layout usually needs more waste allowance, 15-20% rather than 10%.