Tile Calculator

Estimate tile square footage, waste percentage, number of tiles, and boxes required. For basic area calculation, see our Floor Area Calculator.

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Tile Needed: —
Formula:
Area = Length × Width
Adjusted Area = Area × (1 + Waste%)
Tile Area = (Length × Width) in ft²
Tiles Needed = Adjusted Area ÷ Tile Area
Example:
20 × 15 = 300 ft²
10% waste → 330 ft²
12" × 12" tile = 1 ft²
330 tiles needed

Frequently Asked Questions

How much waste should I add for tile?

Most tile installations require 5–15% extra depending on pattern and cuts.

Why are tiles rounded up?

You must purchase whole tiles, so results are rounded up automatically.

Do I need extra for diagonal layouts?

Yes, diagonal or herringbone patterns often require more waste.