What Is Concrete Made Of? (Cement, Aggregate, Water & Admixtures)
Concrete is not cement. Cement is one ingredient — about 11% of the mix. Here's what's actually in the truck when it arrives at your job site.
Read more →Blog
Concrete how-to & estimating guides
Practical articles on calculating concrete — volume, yards, yardage, slab math, and ordering ready-mix without overpaying.
How to Calculate Concrete for a Slab (Patios, Driveways & Garage Floors)
Slabs are the most common residential pour and the easiest to mis-estimate. Here's a complete walkthrough including the things most calculators leave out.
Read more →How to Calculate Cubic Yards of Concrete (With Worked Example)
Don't trust an online answer without seeing the math. Here it is, end to end, on a 12 × 10 ft × 4 in slab — plus three more worked examples for footings, tubes, and stairs.
Read more →How to Calculate Concrete Yards (Quick Reference)
If you've poured a few times and just need the formulas in front of you, this is the cheat sheet — plus the rules of thumb that turn it into mental math.
Read more →How Do You Calculate Concrete Yardage (For Ordering)?
Concrete yardage is what you tell the dispatcher when you order. Get this number wrong and you either pay short-load fees or run dry mid-pour.
Read more →How Do I Calculate Yards of Concrete?
Cubic yards is the unit US ready-mix is sold by. Here's the conversion ladder from inches all the way up to a full delivery truck.
Read more →How to Calculate Concrete (For Any Pour Shape)
The math is geometry. The judgment is in what you measure, where you measure it, and how much overage you order. Here's the step-by-step.
Read more →