Tile & Grout Calculator
Enter the floor or wall size and choose your tile size and layout. See tiles, boxes, adhesive and grout instantly.
Result
- Net area
- 12 m² (129 sq ft)
- Waste (10%)
- 1.2 m²
- Total needed
- 13.2 m²
- Boxes
- 10
- Approx. tiles
- 37
- Tile adhesive (25 kg bags)
- 3 (~66 kg)
- Grout
- ~6.6 kg
Estimates only; actual needs depend on product pack sizes and manufacturer coverage.
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Frequently Asked Questions
How much extra tile should I buy?
Add 10% for straight layouts, 12% for offset and 15% for diagonal or herringbone patterns.
How much tile adhesive per m²?
Roughly 4–6 kg per m²; a 25 kg bag covers about 5 m².