Tile Calculator
Calculate how many tiles you need for a floor or wall from the area, tile size and wastage allowance.
Formula last reviewed 4 August 2026 · How we verify our calculators
Tiles required
55 tiles
Updates live as you type
Frequently asked questions
Divide the area to be tiled by the area of one tile, then add a wastage allowance. 200 sq ft with 4 sq ft tiles and 10% wastage needs 55 tiles.
Cutting at edges and corners, breakage, and pattern matching all waste material. A 10% allowance is typical; use more for diagonal layouts or many cuts.
Multiply its dimensions. A 2 × 2 ft tile is 4 sq ft; a 600 × 600 mm tile is about 3.87 sq ft. Enter the result as the tile area.
Yes. Keeping a few spare tiles from the same batch is wise, since exact colours and sizes can be hard to match later if some crack.
Estimate tiles for floors and walls
Ordering tiles without a buffer is a recipe for a half-finished floor and a frustrating second trip. This tile calculator estimates the number of tiles from the area, the size of one tile, and a wastage allowance.
Enter the area to be tiled in square feet, the area of a single tile (a 2 × 2 ft tile is 4 sq ft), and a wastage percentage. The tool divides the area by the tile size and adds the allowance, rounding up to whole tiles. For 200 sq ft of 4 sq ft tiles at 10% wastage, that is 55 tiles.
Why 55, not 50
The base division (200 ÷ 4 = 50 tiles) undercounts what you should actually buy, because it assumes every tile is used whole with zero cuts or breakage — never true in practice. The 10% wastage allowance adds those extra 5 tiles specifically to cover edge cuts along walls, breakage during handling and cutting, and pattern-matching losses, bringing the safe order-quantity to 55 rather than the bare mathematical minimum of 50.
Wastage matters more than people expect: edge cuts, breakage and pattern matching all consume tiles, and diagonal or herringbone layouts waste noticeably more than a straight grid, so consider raising the wastage percentage above the 10% default for a more complex layout.
This is an estimate for planning purposes. Always add a wastage margin and confirm exact quantities with your contractor or engineer before ordering materials. Buy a few spares from the same production batch too, since even the identical tile model can shift slightly in shade or size between batches, making an exact match nearly impossible once a floor is finished and a tile later needs replacing.
Pair it with the paint calculator to finish planning the whole room in one pass, covering both the floor and the walls from the same visit to the site.