Concrete guides
Plain-English answers to the questions behind the calculators — sizing, bag counts, thickness and cost.
How Much Concrete Do I Need?
Estimate concrete step by step: measure in feet, multiply for cubic fe…
How Many Bags of Concrete in a Cubic Yard?
How many 40, 50, 60 and 80 lb bags make a cubic yard, the yield behind…
Concrete Slab Thickness: How Thick Should It Be?
Standard slab thicknesses for patios, driveways, garages and RV pads —…
How Much Does a Yard of Concrete Weigh?
A cubic yard of concrete weighs about 4,050 lb — roughly 2 tons. Where…
How Long Does Concrete Take to Cure?
Concrete is walkable in 24–48 hours, drivable in about 7 days, and ful…
Concrete vs Cement: What's the Difference?
Cement is one ingredient; concrete is the finished material of cement,…
How Much Water Per Bag of Concrete?
An 80 lb bag takes about 3 quarts of water — but the water-to-cement r…
Rebar or Wire Mesh: Which Does My Slab Need?
When to use rebar, when welded-wire mesh is enough, and when a slab ne…
How Much Does Concrete Cost?
Ready-mix runs about $125–$165 per cubic yard; installed concrete is s…
Do I Need a Gravel Base Under Concrete?
Almost every permanent slab needs a compacted gravel base. Why it matt…
Concrete PSI: What Strength Do I Need?
What concrete PSI means, the common grades for slabs, footings, drivew…
Pouring Concrete in Cold (and Hot) Weather
Temperature changes how concrete cures. How to pour safely below 40°F …
How to Calculate Concrete for Footings
Footings are simple box volumes — length × width × depth. How to size …
Why Concrete Cracks (and What Control Joints Do)
Concrete shrinks as it cures and will crack — control joints decide wh…
How Much Concrete Per Fence Post?
Size post holes with the one-third-depth and three-times-width rules, …