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Flooring & Tile Calculators

Tile Waste Calculator

How many extra tiles to allow for cuts, breakages and future repairs.

Enter values

Results update as you type.

Result

Tiles to buy

226

Keep the spares — tile batches vary in shade and a discontinued line is impossible to match later.

Tiles for the area
200
Total allowance
10%
Extra for cuts and breakage
21
Spare kept back
5

About the Tile Waste Calculator

How many extra tiles to allow for cuts, breakages and future repairs.

Also known as: tile overage, extra tiles to buy, tile cutting allowance, tile breakage.

How to use this calculator

  1. Enter tiles needed for the area, layout, room shape, spare tiles for repairs.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

tiles to buy = needed × (1 + layout waste + complexity) + spares

Worked example

Using the values pre-filled in the calculator above:

  • Tiles needed for the area = 200
  • Layout: Straight / grid
  • Room shape: Simple rectangle
  • Spare tiles for repairs = 5

the calculator returns:

  • Tiles to buy: 226
  • Tiles for the area: 200
  • Total allowance: 10%
  • Extra for cuts and breakage: 21