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Building Calculators
Concrete Calculator
Slab, footing or column — enter the dimensions and mix strength, and get cement bags, river sand and stone, in cubic metres and wheelbarrows, waste included.
Your measurements
Slab 0.075–0.1 m · strip footing 0.2–0.25 m
5.25 m³
Volume (incl. 5% waste)
37 bags
Cement
25 MPa
Mix
Your materials list
| Cement 42.5N (50 kg) | 37 | Bag |
| River sand | 3.41 m³ (≈55 wheelbarrows) | m³ |
| Stone 19 mm | 3.68 m³ (≈59 wheelbarrows) | m³ |
Machine mixing and proper compaction assumed; add mesh/rebar per your engineer's design.
For volumes above ~6 m³, ask us about ready-mix supply.
Need items beyond this list? Browse the full Supply Register.