Tile Calculator
Calculate how many tiles you need for a floor or wall, including a waste allowance.
Your result
Updates as you type. Based on 2025/26 UK figures where relevant.
How this is worked out
Divide the area by the size of one tile, then add 10% for cuts and breakages (15% for diagonal layouts).
Tips
- Find your unit rates and standing charges on your latest bill or in your supplier's app.
- Standing charges are paid every day regardless of usage.
- Always buy materials from the same batch and add a waste allowance for cuts.
Guides for this calculator
- How Many Tiles You Need in the UK: Step-by-Step Guide
- How Many Tiles You Need: Common Mistakes, Tips and FAQs
More home and energy calculators
Frequently asked questions
How does the tile Calculator work?
Divide the area by the size of one tile, then add 10% for cuts and breakages (15% for diagonal layouts).
Where do the default energy prices come from?
They are typical UK price-cap level figures used as a starting point. Replace them with the rates on your own bill for an accurate result.
Do the DIY calculators include waste?
Most include an adjustable waste allowance. 10% is typical; complex layouts may need 15%.
Are the results exact?
They are estimates. Real usage, weather and installation details will change actual costs.
This calculator gives an estimate for general information. It isn't financial, tax, legal or medical advice. Check official figures on GOV.UK or NHS.uk, or speak to a qualified adviser.