Free Concrete & Cement Calculator Online
Calculate cement, sand, and aggregate quantities for any concrete mix ratio (1:2:4, M25, M30). Input slab dimensions to get exact materials for your construction project. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.
How It Works
Enter Slab/Column Dimensions
Input length, width, and thickness/depth in meters.
Select Mix Ratio
Choose M20 (1:1.5:3), M25 (1:1:2), or custom mix ratio.
View Material Quantities
See bags of cement, cubic meters of sand and aggregate needed.
Frequently Asked Questions
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