Ready Mix Concrete Volume Calculator

Enter values for the length, width & depth. Then click on the Calculate button. It will calculate the volume and the number of full loads of 6 cubic metre mixer trucks.

Enter Your Values (Metric):

Length:
Metres
Width:
Metres
Depth:
Metres
Volume:
Cubic Metres
Full Loads:
of 6 M3

Enter Your Values (Imperial):

Length:
Feets
Width:
Feets
Depth:
Feets
Volume:
Cubic Metres
Full Loads:
of 6 M3

A Ready Mix Concrete Volume Calculator is a tool used to determine the amount of concrete required for a specific project, whether it's for a slab, footing, wall, or any other type of construction. The calculator helps to ensure that you purchase the correct amount of ready-mix concrete, avoiding wastage or shortages.

Formula for Concrete Volume:

The basic formula to calculate the volume of concrete needed is:

Volume=Length×Width×Height

Where:

  • Length = The length of the area to be filled with concrete (m or ft).
  • Width = The width of the area to be filled (m or ft).
  • Height = The depth (thickness) of the concrete (m or ft).

For example, if you're pouring a slab:

  • Length = 4 m
  • Width = 5 m
  • Height = 0.1 m (10 cm)

The volume of concrete required would be:

Volume=4 m×5 m×0.1 m=2 m3

This means you would need 2 cubic meters (m³) of ready-mix concrete.

Ready Mix Concrete Volume Calculation for Specific Shapes:

  1. Slab:
    For a rectangular slab, use the basic formula. If the slab has a more complex shape (like a circle), you would need to adjust the formula.

  2. Footing:
    If you're calculating for a footing, divide the footing into smaller geometric shapes (like rectangles) and add their volumes together.

  3. Column:
    For a cylindrical column, use the volume of a cylinder formula:

    Volume=π×r2×h

    Where:

    • r = Radius of the column base
    • h = Height of the column

  4. Wall:
    For a concrete wall, you calculate the area of the wall (Length × Height) and multiply it by the thickness.

Additional Considerations:

  • Waste Factor: Always add a little extra concrete (usually around 10%) to your order to account for spillage, over-excavation, or inaccuracies in measurement.
  • Concrete Mix Ratio: The mix ratio (like 1:2:3 for cement:sand:aggregate) also plays a role when deciding how much material you need for the total volume.