Does the calculator support feet and meters?

Yes. You can switch between Feet and Meter units easily.

Free Concrete Calculator | Estimate Cement, Sand & Aggregate

🧮 Free Concrete Calculator

Estimate concrete, cement, sand and aggregate for slabs and footings. Supports deductions, multiple pours, and cost estimation.

Units

Concrete Grade / Mix Ratio

Length

Width

Thickness Unit

➕ Deductions (Openings / Columns / Voids)

Type

Length

Width

💰 Cost Estimation (Optional)

Cement Bag Cost ($)

Sand Cost

Aggregate Cost

What is a Concrete Calculator?

BuildCostMate's free concrete calculator helps you estimate the quantity of concrete, cement, sand and aggregate required for slabs, footings, and other concrete structures. It supports multiple mix ratios and units.

How to Use the Concrete Calculator

Select your preferred unit (Feet or Meter).
Choose a mix ratio or enter a custom ratio.
Enter the length, width and thickness of the slab or footing.
Click Calculate Materials.
View the estimated concrete volume, cement bags, sand and aggregate.

Why Use BuildCostMate's Concrete Calculator?

Save Time: Get instant concrete material estimates.
Save Money: Order the right amount of materials, avoid waste.
Accurate Results: Based on standard construction formulas.
Multiple Mix Ratios: Supports M5, M7.5, M10, M15, M20, and custom ratios.

Frequently Asked Questions About Concrete Calculation

What mix ratio should I use for concrete?

Use 1:2:4 for general slabs, 1:1.5:3 for beams and columns, and 1:3:6 for footings. Our calculator supports all these ratios.

What is the density of concrete?

The standard density of concrete is approximately 2400 kg/m³. Our calculator uses standard formulas for material estimation.

Is this concrete calculator free?

Yes, the BuildCostMate Concrete Calculator is completely free to use with no registration required.