Free Civil Engineering Tool
Concrete Mix Design Calculator
Estimate nominal concrete mix quantities using simplified IS 10262 style assumptions for academic practice and preliminary checks.
Cement
426 kg/m3
Fine Aggregate
641 kg/m3
Coarse Aggregate
1111 kg/m3
Water
192 kg/m3
Estimated Mix Proportion
1 : 1.5 : 2.61 : 0.45
Cement : Fine Aggregate : Coarse Aggregate : Water, with estimated w/c ratio 0.45and target mean strength 31.6 MPa.
Academic estimation only. Final mix design must be validated with actual material properties, exposure condition, admixture data, sieve analysis and trial mixes as per IS 10262 and IS 456.
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