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Grout Calculator

Construction
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Calculates the amount of grout needed for a tiling project based on tile size, grout joint width, and area to be tiled.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Tile Length (inches), Tile Width (inches), Grout Joint Width (inches), Area to be Tiled (square feet), and Grout Coverage Factor (cubic feet per pound) in the units shown.

Step 2

Read Tile Area (square inches), Number of Tiles, Grout Area per Tile (square inches), Total Grout Volume (cubic inches), Total Grout Volume (cubic feet), Grout Needed (pounds), and Grout Needed (kilograms) 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

Tile Length (inches): 12; Tile Width (inches): 12; Grout Joint Width (inches): 0.125; Area to be Tiled (square feet): 50; Grout Coverage Factor (cubic feet per pound): 0.013

Tile Area (square inches): 144 square inches; Number of Tiles: 50 tiles; Grout Area per Tile (square inches): 3.015625 square inches; Total Grout Volume (cubic inches): 18.84765625 cubic inches; Total Grout Volume (cubic feet): 0.01090720848 cubic feet; Grout Needed (pounds): 0.8390160368 pounds; Grout Needed (kilograms): 0.3805709622 kilograms

Kitchen Backsplash

Tile Length (inches): 6; Tile Width (inches): 6; Grout Joint Width (inches): 0.0625; Area to be Tiled (square feet): 20; Grout Coverage Factor (cubic feet per pound): 0.013

Tile Area (square inches): 36 square inches; Number of Tiles: 80 tiles; Grout Area per Tile (square inches): 0.75390625 square inches; Total Grout Volume (cubic inches): 3.76953125 cubic inches; Total Grout Volume (cubic feet): 0.002181441696 cubic feet; Grout Needed (pounds): 0.1678032074 pounds; Grout Needed (kilograms): 0.07611419243 kilograms

Large Living Room

Tile Length (inches): 18; Tile Width (inches): 18; Grout Joint Width (inches): 0.25; Area to be Tiled (square feet): 200; Grout Coverage Factor (cubic feet per pound): 0.013

Tile Area (square inches): 324 square inches; Number of Tiles: 88.88888889 tiles; Grout Area per Tile (square inches): 9.0625 square inches; Total Grout Volume (cubic inches): 201.3888889 cubic inches; Total Grout Volume (cubic feet): 0.1165444959 cubic feet; Grout Needed (pounds): 8.964961222 pounds; Grout Needed (kilograms): 4.066434691 kilograms

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