Concrete Calculator
Calculate cement bags, sand, and aggregate required for slabs, footings, and columns for M15, M20, and M25 mixes.
* Automatically incorporates standard civil 1.54 dry volume shrinkage factor.
Required Cement Quantity
25 Bags
(1210 kg total cement)
Sand (Fine Aggregate):
44.5 cu.ft (2.02 metric tons)
Aggregate / Gravel (Coarse):
88.99 cu.ft (3.78 metric tons)
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How to use Concrete Calculator
Dimensions
Enter Length, Width, and Thickness in meters or feet.
Mix Grade
Select mix proportion (e.g. M20 1:1.5:3).
Material Quantities
Get exact bags of cement, tons of sand, and aggregate.
Key Features of Concrete Calculator
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