Tile Calculator

Work out how many tiles you need for a floor or wall. Enter the area and your tile size to get the tile count (with a waste allowance) and the number of boxes.

Tile calculator

Area length (ft) Area width (ft)

Tile width (in) Tile height (in) Waste % Tiles per box

Includes a waste allowance (10% is the usual rule for cuts and breakage). Set "tiles per box" to your product's count to also get the number of boxes.

How to use it

1. Enter the area length and width in feet.
2. Enter your tile size in inches and a waste % (10% is typical).
3. Optionally enter tiles per box to get the number of boxes.

Frequently asked questions

How many tiles do I need?

Divide the area to cover by the area of one tile, then add a waste allowance (10% is standard) for cuts and breakage. Enter your sizes above for the exact count.

How much extra tile should I buy for waste?

10% for straight layouts; 15–20% for diagonal or herringbone patterns and for irregular rooms.

How do I get the number of boxes?

Enter the tiles-per-box figure from the product listing and the calculator rounds up to whole boxes.