Concrete Mix Design Calculator

This tool proportions concrete based on the ACI 211.1 method.

Design Parameters (for 1 m³)

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

Maximum Aggregate Size (mm):

Required Slump (mm):

Fine Aggregate Fineness Modulus:

Air-Entrained Concrete:

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 (%):

Cement:

Water:

Coarse Aggregate (Field):

Fine Aggregate (Field):

Mix Ratio (by weight):

Water/Cement Ratio: