Tile Calculator
Enter room and tile dimensions plus a waste allowance.
Tiles needed (with waste)
62
56 tiles before waste
- Room area (m²)
- 20
How it works
We divide room area by tile area, then add a waste allowance for cuts and breakage.
Formula
Tiles = (room area ÷ tile area) × (1 + waste)
Worked example
5×4m room with 60×60cm tiles + 10% waste ≈ 62 tiles.
FAQ
- Waste allowance?
- 10% standard, 15% for diagonal or mosaic patterns.
- Grout lines?
- No — waste typically covers them.
- Walls too?
- Yes — enter wall area instead.