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QUANTITY CALCULATOR 
You can use this quantity calculator to help you determine the number of bags of QUIKRETE® Concrete Mix, Mortar Mix, or FastSetting Concrete you will need for the following projects. (All calculations are rounded up to the next highest whole bag).


Enter the size of the slab you want to build in square feet. The calculator will indicate the number of 60 or 80 pound bags of QUIKRETE® Concrete Mix you need to build a 4″ or a 6″ slab. (All yields are approximate and do not include allowance for uneven subgrade, waste, etc.) 

Enter the number of 8″ x 2″ x 4″ bricks or 8″ x 8″ x 16″ blocks you plan to use for your project. The calculator will indicate the number of 60 or 80 pound bags of QUIKRETE® Mortar Mix you need to construct your project with a 3/8″ mortar joint. (All yields are approximate and do not include allowance for uneven subgrade, waste, etc.) 

Enter the approximate depth of the post hole you want to dig in inches. Remember, the depth of the post hole should be onehalf of the aboveground post height. (Example: For a 6′ above ground post, use a post with an overall height of 9 feet and place 3 feet in the ground). The calculator will indicate the number of 50 lb. bags of QUIKRETE® FastSetting Concrete you need. 