Tile Calculator for 150 x 150 mm Tiles
Work out how many 150 x 150 mm tiles you need for a floor or wall. Enter the area length and width plus a waste allowance for cuts and breakages,…
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Work out how many 150 x 150 mm tiles you need for a floor or wall. Enter the area length and width plus a waste allowance for cuts and breakages, and the tile count is rounded up.
Worked example
Example calculated from the starting values. Enter your own values and press Calculate to get your result.
With the default inputs (length = 4 m, width = 3 m, waste allowance = %10), the results are: area to tile 12.00 m²; tiles needed 587 tiles.
Quick reference: length vs result
Reference table based on the example values; it is not your calculation result.
| Length (m) | Area to tile | Tiles needed |
|---|---|---|
| 2 | 6.00 m² | 294 tiles |
| 4 | 12.00 m² | 587 tiles |
| 8 | 24.00 m² | 1,174 tiles |
| 20 | 60.00 m² | 2,934 tiles |
| 40 | 120.00 m² | 5,867 tiles |
| 80 | 240.00 m² | 11,734 tiles |
Frequently asked questions
What formula does this calculator use?
Area to tile = length × width; Tiles needed = ceil(length × width ÷ tilearea × (1+waste ÷ 100)). Variables: length = length in m, width = width in m, waste = waste allowance in %. Fixed values: tilearea = 0.0225.
What do I need to enter?
You need length (m), width (m), waste allowance (%). Results update as you type.
What is an example result?
With the default inputs (length = 4 m, width = 3 m, waste allowance = %10), the results are: area to tile 12.00 m²; tiles needed 587 tiles.
How much does one 150 x 150 mm tile cover?
One tile covers 0.0225 m², before allowing for grout lines. Check the pack size, since tiles are usually sold by the box.
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