1Room and dimensions

Room length (m)

Room width (m)

2Tile format and pattern

Tile length (mm)

Tile width (mm)

Thickness (mm)ⓘThickness (mm)Tile thickness is used to calculate grout volume. Typical: wall tile 6–8 mm, floor tile 8–12 mm, porcelain 9–11 mm.

Laying patternⓘLaying patternThe pattern affects waste percentage. Diagonal and herringbone require 15–17 % extra tiles for cuts.

Grout joint width (mm)ⓘGrout joint width (mm)Recommended joint width: ≤20 cm tile → 2–3 mm, 20–60 cm → 3–5 mm, >60 cm → 5–8 mm. Narrower joints give a more modern look.

3Options

Wet room (membrane)ⓘWet room (membrane)Required for all rooms with a floor drain. Calculates membrane area (floor + 250 mm upstand) and primer.

Adds membrane and primer to the calculation

EN 14891 · DIN 18534 W2-I

Underfloor heatingⓘUnderfloor heatingUnderfloor heating requires flexible adhesive C2 S2 and increases adhesive consumption by ~30 % due to back-buttering. Temperature changes stress the adhesive.

Increases adhesive use (+30 %) — requires C2 S1/S2

4Prices (optional)

Presets

Tiles (€/m²)

Adhesive (€/kg)

Grout (€/kg)

Membrane (€/m²)

Primer (€/l)

Pattern preview

Enter room dimensions to see the calculation

Need help with the requirements?Read our complete tile laying guide

Open the full Tile Calculator — save results to a project →Powered by MaterialCalc