Tile and flooring calculator
How many tiles or boxes of flooring to buy for a room, including waste.
How it works
Add 10% waste for straight laying and about 15% for diagonal or herringbone. Tiles = area × (1 + waste) / tile area.
Results are for guidance only and do not replace professional advice.
Worked example
With the default values:
- Area to cover (m²)18
- Tile width (cm)60
- Tile length (cm)60
- m² per box (optional)1.44
- Waste (%)10
you get:
- Tiles to buy56
- Area with waste19.8 m²
- Boxes needed14
Frequently asked questions
How does the “Tile and flooring calculator” tool work?
Add 10% waste for straight laying and about 15% for diagonal or herringbone. Tiles = area × (1 + waste) / tile area.
What do I need to enter?
Just fill in: area to cover, tile width, tile length, m² per box, waste. The result updates as you type.
Can you give an example?
Area to cover (m²): 18; Tile width (cm): 60; Tile length (cm): 60; m² per box (optional): 1.44; Waste (%): 10 → Tiles to buy: 56; Area with waste: 19.8 m².
Is this calculator free, and is my data private?
Yes. HOD Calc is completely free with no sign-up. The calculation runs in your browser: nothing you type is sent or stored.