Concrete Calculator: How Much Do I Need?

Calculate the exact number of bags needed for any project — concrete slabs, masonry walls, fence posts, crack repairs, and stucco. The most trusted concrete estimator for homeowners and contractors. 

Once you know how much you need, here's how to mix it right. QUIKRETE's hand-mixing guide walks you through water ratios, consistency, and technique — so your project sets strong the first time.

Not sure which QUIKRETE product fits your project? This selector guide helps you choose between concrete, mortar, FastSet, and stucco mixes — so the calculator gives you the right answer every time.

How much water do I add? How long does it take to set? QUIKRETE's FAQ page answers the most common questions that come up right after using the calculator.