Concrete Mix Design Calculator Concrete Mix Design Calculator Grade of Concrete M20 M25 M30 M35 Target Compressive Strength (MPa) Water-Cement Ratio Slump Value (mm) Cement Type OPC 43 OPC 53 PPC Maximum Aggregate Size 10 mm 20 mm 40 mm Fine Aggregate Zone Zone I Zone II Zone III Zone IV Specific Gravity – Cement Specific Gravity – Sand Specific Gravity – Aggregate Desired Volume (m³) Calculate Mix Results
