Calculate the number of tiles needed for your floor, wall, or backsplash project. Enter your area dimensions and tile size to get accurate quantities including waste allowance.
Enter Your Measurements
Results
Tiles Needed
111
tiles
Boxes (est. 10/box)
12
boxes
Area
100
sq ft
Exact Count (no waste)
100
tiles
Cost Estimate
per sq ft
Estimated Cost
$444.00
Formula
How to Use This Calculator
How to Use
- 1
Enter the area length and width in feet.
- 2
Enter the tile size in inches (one side of a square tile).
- 3
Set waste allowance (10% standard, 15% for diagonal).
- 4
Results show tile count, box estimate, and total area.
Frequently Asked Questions
Frequently Asked Questions
How many 12x12 tiles for 100 sq ft?
How much grout do I need?
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About This Calculator
This calculator uses the formula: Tiles = (Area sq ft ÷ Tile sq ft) × (1 + Waste%). All calculations follow industry-standard methods. Results are estimates — always verify with a licensed professional for structural or code-compliant work.
Built and maintained by the CalcSmart team. Last updated March 2026.
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