Tile Calculator

Home Improvement

Free tile calculator for bathroom, kitchen, and flooring projects. Enter room size and tile dimensions in imperial or metric units to estimate tiles needed with a customizable waste percentage.

Unit system

Room & tile size

Room length

Room width

Tile length

Tile width

Waste allowance

10% straight lay, 15% diagonal or patterned

Your estimate

Room area: 80 sq ft
Tiles needed (with waste): 88 tiles
Boxes (~10 tiles each): ~9 boxes
Tile size: 1.00 sq ft each

How this calculator works

Enter your room length and width (feet or metres).
Add your tile length and width (inches or centimetres).
Set a waste percentage — 10% for straight layouts, 15% for diagonal or patterned installs.
Tile count is rounded up. Box estimate assumes 10 tiles per box (verify on your product label).

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