ACI 211.1-91 – Concrete Mix Design

2 · Aggregate properties — Tables 6.3.3 and 6.3.6

Coarse aggregate

Nominal maximum size

Dry rodded bulk density (kg/m³)

kg/m³

Specific gravity (Gs)

g/cm³

Absorption (%)

Fine aggregate (sand)

Fineness modulus (FM)

unitless

Typical 2.40–3.20

Specific gravity (Gs)

g/cm³

Absorption (%)

Cement specific gravity (Gs)

g/cm³

Exposure level — Table 6.3.4(b)

3 · Moisture correction — Section 6.3.8

Total moisture, coarse agg. (%)

0 % = oven-dry material

Total moisture, fine agg. (%)

4 · Design options

Air-entrained concrete

No — without air-entraining admixture Yes — with air-entraining admixture

Fine aggregate method — Section 6.3.7

Results — Design proportions

Volumetric composition

Proportion tables

📋 Design proportions (dry material)

Component	Quantity	Unit	ACI reference

💧 Proportions adjusted for aggregate moisture

Component	Quantity	Unit	Note

Practical field proportions

How much concrete do you need?

m³

Enter the total volume for your project

1.00 m³ of concrete

📦 Total materials for 1.00 m³

🏗️ Unit proportions per 1 m³ of concrete

🪣 Per 50 kg cement sack (19-liter buckets)

* Standard bucket = 19 liters (empty paint bucket). Bulk densities used: sand ≈ 1,400 kg/m³ · gravel ≈ 1,550 kg/m³. Adjust on site per slump test.

Concrete Mix Design

1 · Strength and consistency

2 · Aggregate properties — Tables 6.3.3 and 6.3.6

Coarse aggregate

Fine aggregate (sand)

3 · Moisture correction — Section 6.3.8

4 · Design options

Results — Design proportions

Volumetric composition

Proportion tables

Practical field proportions

Export calculation report