Concrete Mix Design Calculator - Engineering Toolbox

Design Parameters

This tool proportions concrete based on the ACI 211.1 method for 1 m³ of concrete. Enter the required strength, aggregate properties, and material specifications below.

Required Compressive Strength (f'c, 28 days, MPa)

Maximum Aggregate Size (mm)

Required Slump (mm)

Fine Aggregate Fineness Modulus

Air-Entrained Concrete

Material Properties

Specific Gravity of Cement

Specific Gravity of Fine Aggregate (SSD)

Specific Gravity of Coarse Aggregate (SSD)

Free Moisture Content in Fine Aggregate (%)

Water Absorption of Fine Aggregate (%)

Free Moisture Content in Coarse Aggregate (%)

Water Absorption of Coarse Aggregate (%)

Material Calculations (per 1 m³)

Cement

Water

Coarse Aggregate (Field Condition)

Fine Aggregate (Field Condition)

Mix Proportions

Mix Ratio (by weight): -

Water/Cement Ratio: -

🏗️ Concrete Mix Design Calculator

Design Parameters

Material Properties

Material Calculations (per 1 m³)

Mix Proportions

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