How this calculator works
Estimate floor or wall tile quantities using actual tile dimensions. The result includes a waste allowance for cuts, breakage and future repairs.
Tiles = area ÷ tile face area × (1 + waste). Boxes = tiles ÷ tiles per box, rounded up.
Example
A 12 × 10 ft floor is 120 sq ft. With 10% waste, the purchase target becomes 132 sq ft.
How to get a better estimate
- Use 10% waste for simple layouts and more for diagonal or complex cuts.
- Verify actual tile dimensions; nominal sizes can differ.
- Keep spare matching tiles for future replacement.
What the result means
The result is a planning estimate. Dimensions, coverage, density, packaging and installation conditions vary by product and project. For purchasing, compare the result with the exact product label or supplier specification. For structural, electrical, code-regulated or safety-critical work, use an appropriately qualified professional.
Common questions about the Tile Calculator
What does this calculator estimate?
Estimate floor or wall tile quantities using actual tile dimensions. The result includes a waste allowance for cuts, breakage and future repairs.
What formula does it use?
Tiles = area ÷ tile face area × (1 + waste). Boxes = tiles ÷ tiles per box, rounded up.
How should I use the result?
Use it as a planning estimate, then verify the dimensions and replace editable defaults with the specifications for the product or service you actually intend to buy.
Reference tables
Want a fast benchmark without changing inputs? These static tables use the same published calculation method.