Free Tile Calculator - Estimate Tiles for Your Floor
Calculate how many tiles you need for your floor with waste allowance scenarios.
Formula & Methodology
Calculates the exact number of tiles required to cover a surface area, then adds a percentage buffer to account for edge cuts, mistakes, and future repairs.
- Tiles Needed = Floor Area / Tile Area
- Total Tiles = Tiles Needed × (1 + Waste %)
Worked Example
Using the Tile Calculator: apply the formula above to your input values. For instance, Tiles Needed = Floor Area / Tile Area, then Total Tiles = Tiles Needed × (1 + Waste %). The tool performs each step instantly and shows the result.
Frequently Asked Questions
How many tiles do I need?
It divides the total area to cover by the area of one tile, so you know how many tiles or boxes to buy.
How much extra should I buy for tiling?
Add about 10% for cuts and breakage, and up to 15% for diagonal or intricate patterns.
How do I account for grout lines?
Grout lines slightly reduce the number of tiles needed, but planning for full tiles plus overage keeps you covered.