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
Disclaimer: Results are estimates based on standard formulas. Not a substitute for professional advice from a licensed contractor, engineer, or architect. Verify all calculations before making purchasing or construction decisions.
How to Use This Calculator
Our tile calculator accounts for room dimensions, tile size, and waste factor to give you an accurate estimate.
- Measure length and width
- Select tile size
- Choose waste factor
- Enter measurements
- 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.
Waste Optimization
AI-calculated waste factors based on project type, not flat percentages. Saves 5-15% on material costs.
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.