Tile quantity
Estimate tiles using actual dimensions and joints.
How this works
Tiles across = ceiling((room dimension + joint) ÷ (tile dimension + joint)). Multiply the two directions and add allowance.
Example
Using the example inputs, whole tiles including allowance is 132 tiles.
- Length
- 12 ft
- Width
- 10 ft
- Tile length
- 12 in
- Tile width
- 12 in
- Grout joint width
- 0.125 in
- Waste allowance
- 10 %
- Price per tile
- 0 USD
- Whole tiles including allowance
- 132 tiles
Straight grid with fixed orientation; trimmed-edge tiles count as whole tiles.
Scope and assumptions
Does not optimize offcuts, staggered patterns, grout quantities or tile orientation.
Related quantity-calculation reference
Related calculators
Flooring Calculator: Room Areas, Allowance & Boxes