Tile Calculator
Calculate how many tiles you need for a floor or wall.
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Tile Calculator
Tile Calculator: How Many Tiles Do You Need?
A tile calculator estimates the number of tiles needed for a floor, wall, or backsplash project. It accounts for tile size, area to cover, and a waste factor (10–15% extra) for cuts, breakage, and future replacements.
Common Uses
- Floor tile installation (bathroom, kitchen, living room)
- Wall and backsplash tiling
- Outdoor patio and pool tiling
- Calculating grout and adhesive quantities
Frequently Asked Questions
How much extra tile should I order?
Order 10% extra for simple rectangular rooms with straight cuts. Order 15% extra for diagonal layouts or complex cuts around obstacles. Always keep leftover tiles for future repairs — finding matching tiles years later can be difficult or impossible.
How do I calculate grout quantity?
Grout coverage depends on tile size and grout joint width. As a rough estimate: one 25 lb bag of grout covers about 100–150 sq ft for 12×12 tiles with 1/8-inch joints, or 50–75 sq ft for smaller mosaic tiles with wider joints.
Is this calculator free to use?
Yes. All calculators on zenicalculator.com are completely free with no registration required.
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