Concrete Slab Calculator

Concrete Guides

Step-by-step guides to calculating, ordering, and pouring concrete — covering volume math, bag yields, mix ratios, and slab thickness for every common residential project.

Available now

Coming soon

How Much Concrete Do I Need?

Soon

Quick estimates by project type — driveways, patios, footings, posts.

Ready-Mix vs. Bagged Concrete

Soon

Cost, time, and effort tradeoffs between truck delivery and DIY bag mix.

Concrete Bag Yields

Soon

Cubic-foot yield per bag size for the major manufacturers.

Standard Slab Thickness

Soon

Recommended thickness by project — sidewalks, patios, driveways, garages.

How to Pour a Concrete Slab

Soon

End-to-end DIY guide for a residential slab pour.

Concrete Mix Ratios

Soon

Common DIY mix ratios and when to use each.