CONCRETE CALCULATOR – How Much Do I Need?
You can use this concrete calculator to help you determine the number of bags of QUIKRETE® Concrete Mix, Mortar Mix, or Fast-Setting Concrete you will need for the following projects. (All calculations are rounded up to the next highest whole bag).
- Concrete Mix – to build either a 4 inch or 6 inch slab
- Mortar Mix – to lay either 8 inch x 2 inch x 4 inch bricks or 8 inch x 8 inch x 16 inch blocks at a 3/8 inch joint
- Fast-Setting Concrete – to set a post
- Base Coat Stucco & Finish Coat Stucco
- Veneer Stone Mortar
- QUIKWALL ^{®} Surface Bonding Cement
- Concrete Crack Sealant
- Mortar Joint Sealant
- Polymeric Jointing Sands
- Playsand
- Hardscapes Sands, Stones, Pebbles & Rocks
Quantity and/or coverage calculations for all QUIKRETE® products can be found on all Spec Data sheets.
Concrete Mixes
Enter the size of the slab you want to build in square feet.
The calculator will indicate the number of bags you will need to build a 4 inch or 6 inch slab. (all yields are approximate and do not allow for uneven substrate, waste, etc.)
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Mortar Mix
Enter the number of 8 inch x 2 inch x 4 inch bricks or 8 inch x 8 inch x 16 inch 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 inch mortar joint. (All yields are approximate and do not include allowance for uneven subgrade, waste, etc.)
Fast-Setting Concrete Mix
Enter the approximate depth of the post hole you want to dig in inches.
Remember, the depth of the post hole should be one-half of the above-ground post height. (Example: For a 6 feet 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® Fast-Setting Concrete you need.
Base Coat Stucco & Finish Coat Stucco
Enter the area of your wall in square feet excluding window and door openings.
The calculator will indicate the number of 80 lb bags of QUIKRETE ^{®} Base Coat Stucco and Finish Coat Stucco you will need to construct your stucco wall using a traditional 3 coat or 2 coat application process. (All yields are approximate and do not allow for uneven application thickness, waste, etc.)
Veneer Stone Mortar
Enter the area of your wall in square feet, excluding window and door openings.
The calculator will indicate the number of 80 lb. bags of QUIKRETE ^{®} Veneer Stone Mortar you will need to construct your wall, including the scratch coat, bond coat and jointing mortar application. (All yields are approximate and do not allow for uneven application thickness, waste, etc.)
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QUIKWALL ^{®} Surface Bonding Cement
Enter the total area of your wall in square feet and make sure you count all surface areas, including both sides of the block, the top and the ends.
The calculator will indicate the number of 50 lb. bags you will need to coat all sides of your wall with QUIKWALL ^{®} Surface Bonding Cement. (All yields are approximate and do not allow for uneven application thickness, waste, etc.)
Concrete Crack Sealants
Enter the approximate length of the crack you will be repairing in feet.
The calculator will indicate the number of 10.1 oz. tubes of QUIKRETE ^{®} Polyurethane Concrete Crack Sealant or 10.1 oz tubes of Concrete Repair you will need for your project.
Mortar Joint Sealants
Enter the approximate length of the mortar joint you will be repairing in feet.
The calculator will indicate the number of 10.1 oz. tubes of QUIKRETE ^{®} Polyurethane Mortar Joint Sealant or 10.1 oz tubes of Mortar Repair you will need for your project.
Polymeric Jointing Sands
Enter the number of square feet of pavers on your project.
The calculator will indicate the approximate number of Polymeric Jointing Sand bags you will need for your project. (Based on standard 2 inch x 4 inch x 6 inch pavers. Usage will be different for other paver sizes and for use with natural stone.)
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Hardscapes Rocks and Sands
Enter the size of the sand box area in square feet.
The calculator will indicate the number of bags you will need to fill the sand box at a 2″, 3″, 4″, 5″ and 6″ depth.
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Hardscapes Patio Paver Sand
Enter the size of the area you need to cover in square feet.
The calculator will indicate the number of bags you will need to cover the area at a 1/8″, 1/4″, 3/8″, 1/2″, 3/4″, 1″ and 2″ depth.
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