Concrete Bags Calculator

Find how many concrete bags.

How to use

  1. Enter your values in the fields above.
  2. Press Calculate to see your result instantly.
  3. Use the Share button to copy a link to your result.

About this calculator

This calculator works out how many bags of ready-mix concrete a project needs by dividing the total volume to fill (length × width × depth) by the yield of a single bag, which depends on its weight.

DIYers and contractors use it before a trip to the hardware store for fence post footings, small slabs, or patio repairs, so they buy the right number of bags instead of guessing and making a second trip mid-pour.

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