Bags of Concrete Calculator – Estimate Your Project Needs

This tool helps you calculate the number of bags of concrete you need for your project.

How to Use the Concrete Bags Calculator

This calculator helps you determine the number of 80-pound bags of concrete mix needed to fill a certain area. Simply input the length, width, and depth of the space you need to fill, the bag size in pounds, and the yield per bag in cubic feet.

How It Works

The calculator converts the depth from inches to feet, then calculates the total volume of the area in cubic feet. It then divides this volume by the yield per bag to determine how many bags are needed. The final result is rounded up to the nearest whole number to ensure you have enough concrete.

Limitations of the Calculator

  • The calculator assumes you are using standard concrete mix bags.
  • Yield per bag can vary slightly based on the brand and mixture of the concrete.
  • Always buy an extra bag or two to account for spills and uneven surfaces.