Tile Calculator
Number of tiles and grout needed for a floor or wall.
m²
cm
cm
%
Tiles needed
147
Per tile
0.09m²
Tiles per m²
11.11
With waste
13.2m²
ShowHide the working
- 1Tile = 30cm × 30cm = 0.09 m²
- 2Area + 10% waste = 13.2 m²
- 3÷ tile area, rounded up = 147 tiles
Formula
tiles = ⌈area × (1 + waste) ÷ tile area⌉How it works
Counts the tiles needed for a floor or wall, including a cutting allowance.
Example
12 m² of 30 × 30 cm tiles with 10% waste needs 147 tiles.
About the Tile Calculator
Number of tiles and grout needed for a floor or wall. It sits in the Home & Construction section of NWS Calc, a free collection of calculators that run entirely in your browser. There is no signup, no paywall and no tracking — open the page, enter your numbers, get an answer.
Frequently asked questions
- Is the Tile Calculator free to use?
- Yes. Every calculator on NWS Calc is completely free, with no signup, no usage limits and no ads.
- Does my data leave my device?
- No. The Tile Calculator runs entirely in your browser using JavaScript. Nothing you type is uploaded, logged or stored on a server.
- Can I use the Tile Calculator on my phone?
- Yes. The page is fully responsive and works in any modern mobile or desktop browser — there is nothing to install.
- What else is in Home & Construction?
- Paint, tile, concrete, flooring, lumber and material estimates. You can browse the full Home & Construction category for related calculators.