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Thinset Calculator

Construction
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Calculates the amount of thinset needed for a tiling project based on area and tile size.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Total Tile Area (sq ft), Tile Length (inches), Tile Width (inches), Thinset Coverage per Bag (sq ft), and Waste Factor (%) in the units shown.

Step 2

Read Thinset Needed (sq ft), Tile Area per Tile (sq in), Total Tile Area (sq in), Bags of Thinset Needed, and Number of Tiles in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Small Bathroom

Total Tile Area (sq ft): 50 sq ft; Tile Length (inches): 12 inches; Tile Width (inches): 12 inches; Thinset Coverage per Bag (sq ft): 75 sq ft; Waste Factor (%): 10 %

Thinset Needed (sq ft): 55 sq ft; Tile Area per Tile (sq in): 144 sq in; Total Tile Area (sq in): 7,200 sq in; Bags of Thinset Needed: 0.7333333333 bags; Number of Tiles: 50 tiles

Kitchen Backsplash

Total Tile Area (sq ft): 20 sq ft; Tile Length (inches): 6 inches; Tile Width (inches): 6 inches; Thinset Coverage per Bag (sq ft): 75 sq ft; Waste Factor (%): 10 %

Thinset Needed (sq ft): 22 sq ft; Tile Area per Tile (sq in): 36 sq in; Total Tile Area (sq in): 2,880 sq in; Bags of Thinset Needed: 0.2933333333 bags; Number of Tiles: 80 tiles

Large Living Room

Total Tile Area (sq ft): 400 sq ft; Tile Length (inches): 12 inches; Tile Width (inches): 12 inches; Thinset Coverage per Bag (sq ft): 75 sq ft; Waste Factor (%): 10 %

Thinset Needed (sq ft): 440 sq ft; Tile Area per Tile (sq in): 144 sq in; Total Tile Area (sq in): 57,600 sq in; Bags of Thinset Needed: 5.866666667 bags; Number of Tiles: 400 tiles

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