Tool4SaaS

Concrete Calculator

Estimate concrete volume in cubic yards and 80lb bags for slabs, footings and columns. Enter dimensions once; instant offline result, fully private.

Concrete needed

1.852 cu yd

50 cu ft • 84 × 80 lb bags (0.6 cu ft each)

Slab / footing volume = length × width × depth. Bags are rounded up; add 5–10% extra for waste.

More Calculators

Percentage CalculatorBMI CalculatorTip CalculatorLoan CalculatorDiscount CalculatorGST / VAT Calculator

About the author

Written and maintained by the Tool4SaaS team. Every tool runs locally in your browser and is tested in-house for accuracy. Last updated: .

Frequently asked questions

About 45 eighty-pound bags per cubic yard; result rounds up with waste margin.

Yes, all math runs entirely in the browser from the values you type; nothing is uploaded.

No, for informational purposes only. Consult a qualified professional.

How to use Concrete Calculator

  1. Pick shape: Choose slab, footing or column.
  2. Enter size: Type dimensions and unit.
  3. View: See cubic yards and bags.