Concrete Calculator
Free concrete calculator — estimate concrete yards, volume, weight, and bags for slabs, driveways, patios, footings, and post holes.
Free Concrete Calculators
Use our concrete calculator to estimate cubic yards of concrete, total weight, and number of bags required. Perfect for driveways, slabs, patios, foundations, and fence posts — plus disposal estimates for Utah projects.
Concrete Volume Calculator
Calculate Concrete Needed
Results
Enter dimensions to calculate concrete volume and weight.
Concrete Disposal Calculator
Estimate Concrete Waste
Disposal Estimate
Enter volume to estimate concrete weight, then request project-specific disposal pricing.
Concrete Calculator Guide
Dumpster Size for Concrete Disposal
Concrete volume does not establish a safe fill level or hauling limit. Share the estimated volume and material with Icon Dumpsters to confirm an approved container, fill level and number of loads. Do not assume a 15-, 20- or 30-yard container may be filled with concrete.
What the estimates assume
The volume calculator uses a rectangular slab and a planning density of 4,000 pounds per cubic yard. Actual weight varies with the concrete and any reinforcement, soil or mixed debris. The disposal calculator uses your selected density; these estimates are not certified scale weights.
The bag estimate assumes 0.6 cubic feet of yield per 80-pound bag and rounds up, without adding waste. Check your product’s stated yield. QUIKRETE Concrete Mix product data provides that approximate yield for its 80-pound bag.
For actual container planning, compare our concrete dumpster rental service, 10 yard concrete dumpster page, dumpster size guide, weight and dimension details, and pricing page.
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