Construction & Home
Tile Calculator
A tile calculator estimates how many tiles you need from installation area, tile dimensions, and waste allowance.
Quick answer
Converts tile size into square feet.
What this tells you
- •Converts tile size into square feet.
- •Divides total area by tile area.
- •Adds waste percentage for cuts and breakage.
How to Use
- 1Enter area width and length in feet.
- 2Enter tile size in inches.
- 3Set waste percentage, then calculate total tiles.
How It Works
Formula
Tiles = ceil((area ft2 / tile ft2) x (1 + waste%))Area and tile dimensions are converted into matching units, then waste is applied before rounding up.
Calculation note: values are processed in the order shown above, using the current input units.
Worked Examples
Kitchen floor
Area10x12 ft
Tile12x12 in
Waste10%
Result132 tiles
Common mistakes
- Skipping waste for diagonal layout
- Mixing inch and foot inputs
- Not rounding up to full tile count
Frequently Asked Questions
No. Use a small additional waste percentage if grout spacing and pattern complexity affect coverage.
It estimates tile calculator outputs using the visible inputs and formula assumptions on this page.
Results are calculation estimates based on your inputs and stated assumptions. Verify values for critical decisions.