Marble calculator

Tiles and Kota stone: how many pieces?

Pick the tile size, add a grout joint if there is one, and we count the pieces. Boxes appear only when you type the pieces per box from the box label: we never guess a box size.

Area to coversq ft1450, 1.5k or 135 sqm

Tile size

Grout joint (optional)mm0–10 mm between tiles

Layout

Straight: Cuts only at the walls.

Adjust for

Room under 50 sq ft +5 · Small rooms waste more at the edges (a 5 × 5 ft room has 0.8 ft of edge per sq ft, a 12 × 12 room 0.33).Strongly veined marble +3 · Pieces are rejected to keep the veins flowing (Statuario, Calacatta, onyx).Fragile or resin-backed marble +2 · Some pieces break while cutting (onyx, heavily filled slabs).Pre-cut tiles (Kota 2 × 2 ft, granite tiles) -3 · Fewer cuts on site (never below 5%).Spares for repairs later +3 · A few extra pieces from the same lot, for repairs years later.

Cutting wastage%

Pieces per box (from the box label)Check the box label. Empty: we count tiles only, never boxes.

Enter the area and pick the tile size. We add wastage and count the tiles.

Now find the marble

A photo of a slab, a floor you liked or a picture on WhatsApp — see who has it in stock.

Search with a photo Choose from gallery

Estimate, not a quote. Measure on site with your contractor. See all tools.