Tile Calculator
How many tiles a floor needs, including waste — square or rectangular.
How many tiles a floor needs, including waste you can change. Rectangular tiles are fine — enter both sides.
Room
Tile
Use the actual tile face, not the box size.
Waste allowance
Tiles to order
40
You need 40 tiles for 13 m², including 10% waste. Better a few spare than a short box.
- Floor area
- 13 m²
- Waste
- 10% · 1.3 m²
- With waste
- 14.3 m²
- 600 × 600 mm tiles.
- Joints are not subtracted. Wide grout lines mean a slightly lower count.
- Measure the floor you will actually tile.
Tiles40
Measurements stay in this browser. Nothing is uploaded.
Worked example
A room 4.2 m by 3.1 m is 13.02 m². A 600 mm square tile covers 0.36 m². With 10% waste, you need 40 tiles — better a few spare than a short box.
FAQ
- Can the tiles be rectangular?
- Yes. Enter length and width separately.
- What does waste cover?
- Cuts, breakages, and a spare. 10% is common. Use 15–20% for a diagonal lay.
- Does this subtract cupboards?
- No. Measure the floor you will actually tile.