See how many tiles you need for a floor or wall — from the area, your tile size, and a waste allowance for cuts and breakage.
Buy from the same dye lot and keep a few spares for future repairs. Diagonal or patterned layouts need more waste. Estimate only.
Divide the area to cover by the area of one tile, then add a waste allowance for cuts, breakage, and future repairs. A standard 12×12 tile covers exactly one square foot; other sizes change the count.
Tiles = (area ÷ one tile's area) × (1 + waste %)
10% for a simple straight layout, 15–20% for diagonal or intricate patterns, and more for lots of small cuts.
Yes — keep a few tiles from the same dye lot for repairs, since exact colors are hard to match later.
Related: square footage calculator · flooring calculator · paint calculator · all free calculators.
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Last reviewed: September 2026. Free to use, no signup — Tile Calculator by ToolWise Digital.
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