To build a 4" thick slab that is 1 square yard, you will need:

- 7 bags of 60-pound QUIKRETE® Concrete Mix or,
- 6 bags of 80-pound QUIKRETE® Concrete Mix

To build a 6" slab that is 1 yard square, you will need:

- 10 bags of 60-pound QUIKRETE® Concrete Mix or,
- 8 bags of 80-pound QUIKRETE® Concrete Mix

All yields are approximate and do not include allowance for uneven subgrade, waste, etc..

You can use this QUIKRETE® quantity calculator to help you determine the number of bags of QUIKRETE® Concrete Mix, Mortar Mix, or Fast-Setting Concrete you will need for your projects.

Follow QUIKRETE on Twitter @QUIKRETE or visit Quikrete.com for more info.