Tile Calculator
Use our free Tile Calculator to accurately estimate how many tiles you’ll need for your project and what it will cost. Just enter the room dimensions, tile size, and expected waste percentage to get a quick calculation of total tiles, boxes, and square footage. Perfect for homeowners planning renovations, flooring professionals, or tile installers, this calculator helps you avoid buying too many or too few tiles. It also factors in extra tiles for cuts, breakage, and future repairs, giving you peace of mind and a more efficient project budget.
Tile Formula
Understanding how tile quantities are calculated helps you plan materials, labor, and budget more effectively. Ordering the wrong number of tiles can delay installation, waste money, or create mismatched batches if you need extras later. Factors like tile shape, grout width, and installation pattern (straight, diagonal, herringbone) affect how many tiles you’ll actually need. Using the Tile Calculator ensures accuracy without manual math—accounting for wastage, layout complexity, and trimming. Whether you’re laying tiles in a kitchen, bathroom, or large commercial space, precise calculation means smoother execution and lower costs.
How this tile calculator works
This calculator estimates the number of tiles and boxes required for a specific area by factoring in tile size, wastage, and coverage efficiency. It provides a quick, practical solution for anyone estimating materials before purchase.
Inputs and logic:
The calculator automatically adjusts for common waste factors and rounds up to the nearest whole box, ensuring you have enough material for installation and future repairs.
When to use this Tile Calculator
Use this calculator any time you’re planning a flooring or wall tile installation and want an accurate estimate before buying materials.
Before purchasing tiles: Avoid overordering or running short mid-project.
For cost estimation: Get a clear sense of total material expenses upfront.
During design planning: Compare how different tile sizes or patterns affect coverage.
For contractor bids: Verify quotes and ensure material allowances are realistic.
For renovations or remodels: Calculate replacement needs for partial or damaged areas.
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Average Tile Installation Costs by Project Type
Understand how tile pricing and installation costs vary by project and material type. Use these industry averages to compare quotes and budget efficiently.
Ceramic Tile Installation
Porcelain Tile Installation
Natural Stone Tile (Marble/Granite)
Mosaic or Decorative Tile Work
Outdoor/Patio Tile Projects
Tile Removal or Demolition
These benchmarks help homeowners and contractors understand material and labor costs, ensuring estimates align with market standards.
Frequently Asked Questions
This calculator provides a reliable preliminary estimate using your inputs and a waste allowance. Final counts can change after site measurements and layout decisions.
Divide your total floor area by the area of one tile and add 5–15% for waste. The calculator does this instantly.
Yes. Always round up to the next whole tile—tiles can't be purchased in fractions.
Yes. Use the same area formula for walls (height × width) and treat each surface separately.
Convert tile dimensions to the same length units as the room (e.g., cm → m) before computing tile area. The calculator can accept mixed units if the widget handles conversions.
Grout lines slightly reduce coverage per tile but are typically negligible for tile count. For very small tiles or mosaic sheets, factor that into tile area or add a small additional waste percent.
Yes—keeping a box of spare tiles is recommended for future repairs. Consider saving an extra 5% beyond immediate waste for spare stock if the tile is discontinued.
No. This tool estimates tile quantity and area only. Use a separate materials and labor calculator to estimate adhesives, grout, and installation costs.