Flooring / Tile
Work out how many tiles and boxes a floor needs from the room size, tile size and a waste allowance. It converts everything to square inches, rounds up whole tiles, then rounds up whole boxes. Add extra waste for diagonal or patterned layouts.
Try it now
Worked example
Tiles: 198 · Boxes: 20 · Floor: 180 ft²
Inputs
- Room L ft
15 - Room W ft
12 - Tile in (sq)
12 - Tiles/box
10 - Waste %
10
Frequently asked
Why round up the tile count?
You can't buy part of a tile, so the total is rounded up after adding your waste percentage.
How much waste should I allow?
10% is typical for a straight layout; use 15–20% for diagonal patterns or lots of cuts.