How many bags of Concrete do I need

Sourabh Negi

Lined Circle

Let the thickness of Slab be 4 inches. Thus you will need 5 bags of 40lb weight for a 2×2 slab, 4 inches thick.

 for a 2×2 Slab

Let the thickness of Slab be 6 inches. Thus for a 2 x 4 slab, 6-inch thick 10 bags of 60lb weight will be required.

 for a 2×4 Slab

 for a 4×4 Slab

Let the thickness of Slab be 4 inches. Thus for a 4 x 4 slab, 4-inch thick 10 bags of 80lb weight will be required.

 for a 4×6 Slab

Let the thickness of Slab be 6 inches. Thus for a 4 x 6  slab, 6-inch thick 29 bags of 60lb weight will be required.

 for a 4×8 Slab

Let the thickness of Slab be 4 inches. Thus for a 4 x 8  slab, 4-inch thick 39 bags of 40lb weight will be required.

 for a 4×12 Slab

Let the thickness of Slab be 4 inches. Thus for a 4 x 12  slab, 4-inch thick 59 bags of 40lb weight will be required.

 for a 5×5 Slab

Let the thickness of Slab be 4 inches. Thus for a 4 x 12  slab, 4-inch thick 59 bags of 40lb weight will be required.

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How many bags of Concrete do I need for various sizes of slab?