Tile Calculator
Tile count, boxes and grout for any surface.
Enter your values
ⓘ Live results
Results
- Tiles needed
- 45
- Boxes to buy
- 8
- Area to cover
- 80 sq ft
- Adhesive (approx)
- 2 bags
Quick answer
Tile count is area divided by tile area, plus 10–15% for cuts and breakages.
How to use the Tile Calculator
- 1Measure the area to be tiled.
- 2Enter your tile dimensions in inches.
- 3Set a waste allowance and box quantity.
Worked example
Using the values the calculator loads with:
Inputs
- Area length10 ft
- Area width8 ft
- Tile width12 in
- Tile height24 in
- Waste allowance12 %
- Tiles per box6
Results
- Tiles needed45
- Boxes to buy8
- Area to cover80 sq ft
- Adhesive (approx)2 bags
Frequently asked questions
How much waste for tiles?
10% for a simple grid, 15% for diagonal layouts and 20% for herringbone or small rooms with many cuts.
Should I buy an extra box?
Yes — dye lots vary between production runs, so future repairs may not match if you buy later.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.