Aggregate Calculator
Calculate the coarse aggregate required for a concrete volume at a chosen grade, in cubic feet and cubic metres.
Result
| Material | Quantity |
|---|
Notes & assumptions: Dry volume = 1.54 × wet. Aggregate = dry × (aggregate ÷ total ratio). 1 m³ = 35.315 cft.
Disclaimer: This tool provides an indicative estimate for general planning only and is not professional, legal, financial, medical or engineering advice. Reference values are editable defaults that vary by location, vendor, regulation and date. Verify critical figures with a qualified professional. Varada Nexus accepts no liability for decisions made using this tool.
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Contact Varada Nexus for detailed consultationFAQ
How much aggregate per m³ of concrete?
About 0.84 m³ (≈30 cft) of coarse aggregate per m³ of M20 concrete (1:1.5:3).
What size aggregate is used?
20 mm is common for general RCC; 10 mm for thin or congested sections.
Does this include wastage?
No — add roughly 3–5% for site wastage.