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Concrete Calculator

Calculate the amount of concrete needed for your construction project.

Units

Enter dimensions in meters.

Shape

Inputs

Length (m)

Width (m)

Thickness (m)

Extra (waste) %

Bag size

Notes

This calculator estimates concrete volume for slabs, walls, and cylinders. Choose a shape, enter dimensions, and include an extra percentage for waste/spillage. Bag yields are approximate and vary by product—always check product data and consult your supplier.