Concrete Mix Design (IS Method)
Concrete IS 10262:2019~2 min
Calculate cement, sand, and aggregate quantities for M10 to M40 concrete grades.
Formula
Cement = Dry Volume / (1 + FA/CA ratio) × 1/sum × 1440 kg/m³
Input Parameters
e.g. 1 for M20 (1:1.5:3)
Results
Dry Volume
1.540m³
Cement Required
8.06bags (50 kg)
Fine Aggregate
0.420m³
Coarse Aggregate
0.840m³
Step-by-Step Method
- 1Determine the concrete grade and corresponding nominal mix ratio.
- 2Calculate dry volume = wet volume × 1.54.
- 3Cement = (Dry Vol / Sum of ratios) × Cement ratio × 1440 / 50.
- 4Sand = (Dry Vol / Sum of ratios) × FA ratio.
- 5Aggregate = (Dry Vol / Sum of ratios) × CA ratio.
Engineering Notes
- •M20 grade: 1:1.5:3 | M25: 1:1:2 | M15: 1:2:4 | M10: 1:3:6
- •Density of cement = 1440 kg/m³; one bag = 50 kg.
- •Add 5% wastage to all quantities.
Code Reference
IS 10262:2019
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