Tile Calculator

Estimate tile quantity, boxes, and grout for your project

Length of area to tile
Width of area to tile
Select tile dimensions
10% standard, 15% diagonal
Total Area
sq ft
Tiles Needed
tiles
Boxes (10 per box)
boxes
Grout Needed
lbs
Estimated Cost
USD

How to Use This Calculator

Our tile calculator accounts for room dimensions, tile size, and waste factor to give you an accurate estimate.

  1. Measure length and width
  2. Select tile size
  3. Choose waste factor
  4. Enter measurements
  5. Buy same dye lot
AI Insights Smart analysis for your project
Smart Estimates
Our AI cross-references material costs, regional pricing, and project complexity for more accurate estimates.
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Waste Optimization
AI-calculated waste factors based on project type, not flat percentages. Saves 5-15% on material costs.
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Best Practices
Recommendations derived from building codes, contractor data, and thousands of completed projects.

Calculation Formula

Area = L x W Tiles = (Area / Tile area) x (1 + Waste%) Grout ~ 1 lb per 15 sq ft

Frequently Asked Questions

How much tile for a 12x12 room?
144 sq ft. With 12x12 tiles, need 144 + 10% waste = 158 tiles. About 16 boxes.
What waste factor for tile?
Use 10% for straight layouts, 15% for diagonal, 20% for intricate patterns.