How to use the tile calculator
- Surface area (m²): Total area to cover in square meters.
- Tile length (cm): Length of one tile in centimeters.
- Tile width (cm): Width of one tile in centimeters.
- Waste allowance (%): Additional tiles for cuts and breakage.
- Select Calculate to see the result. Change any input and calculate again to compare.
Worked example
20 m² with 60 × 60 cm tiles and 10% allowance needs 62 tiles.
Formula and assumptions
Surface area ÷ tile area + allowance.
Ignores grout spacing and layout-specific cuts. Confirm box quantities and installation requirements.
Common questions
Why might my result differ from another estimate?
Ignores grout spacing and layout-specific cuts. Confirm box quantities and installation requirements. Keep the same inputs and rounding when comparing tools.
Are my entries saved?
No. Calculations run on your device. Reloading or closing this page may clear your entries.