Concrete Calculator

Estimate concrete volume for slabs, footings, and pours.

Constructionmaterialbuildingvolume

Concrete Calculator Formula

Volume = length × width × depth

Enter the known values and the calculator applies this formula to produce the main result, plus supporting values that help you check the answer.

SymbolVariableDescription
lengthLengthLength, entered in m.
widthWidthWidth, entered in m.
depthDepthDepth, entered in m.

How to Use the Concrete Calculator

  1. 1

    Enter the known values

    Fill in the fields and confirm that the units match the formula shown on the page.

  2. 2

    Click Calculate

    The primary answer appears in the highlighted row, with related check values underneath.

  3. 3

    Read the result

    The main result is concrete volume. The 10% waste value helps cover uneven subgrade, spillage, and measurement error.

What This Calculator Is Best For

Use it for slab and rectangular pour estimates, with a waste allowance shown for ordering.

  • Estimate a small slab.
  • Convert cubic meters to cubic yards.
  • Add an ordering buffer.

How to Read the Result

The main result is concrete volume. The 10% waste value helps cover uneven subgrade, spillage, and measurement error.

Before You Rely on the Result

Measure depth in meters if length and width are in meters. Mixed units will give a wrong volume.

Concrete Calculator FAQ

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