Concrete Mix Design Calculator
ACI 211 — Proportioning of Normal Concrete Mixtures | US Customary & SI
Project Information
Hover over any input field for recommended limits
Unit System
Select the Unit:
Design Requirements
1
Compressive Strength (f'c)
psi
2
No. of Previous Tests
3
Standard Deviation
psi
Mix Conditions
4
Hand Consolidation?
5
Entrained Air?
6
Inputting Air Content?
7
Air Content
%
8
Exposure Category
9
Plain Concrete?
Aggregate
10
Inputting Max Aggregate Size?
11
Max Aggregate Size
in
12
Type of Structural Member
13
Narrowest Dimension
in
14
Clear Bar Spacing
in
15
Clear Cover
in
16
Slab Depth
in
Fresh & Aggregate Properties
17
Slump
in
18
CA Bulk Density
lb/ft³
19
CA Specific Gravity
20
CA Moisture Content
%
21
CA Absorption
%
22
FA Fineness Modulus
23
FA Specific Gravity
24
FA Moisture Content
%
25
FA Absorption
%
Cementitious Materials
26
Only Portland Cement?
SG
% BY VOLUME
27
Portland Cement
28
First SCM
29
Second SCM
30
Third SCM
Admixture & Batch
31
Admixture Dosage Unit
32
Admixture Dosage
33
Batch Size
yd³
Results
Click Calculate to see mix proportions.
Mix Design Compliance Check
Click Calculate to run compliance checks.