# Concrete Engineering - lite — ACI Beam Column Slab Tool

> Civil engineering calculator app with 56 concrete calculation tools. (iPhone/iPad app by V PUGAZHENTHI.)

- Source: https://appshunter.io/ios/app/concrete-engineering-lite/id1132557710 (this page in markdown: same URL + `.md`)
- Developer: [V PUGAZHENTHI](https://appshunter.io/developer/491898049)
- Category: Education, Reference
- Price: Free with in-app purchases (on sale, was $5.99)
- Rating: 4.70/5 from 7 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 18.6 · 8 MB
- Languages: American English, Dutch, French (France), German (Germany), Italian, European Portuguese, Chinese (Simplified, China), European Spanish
- Released: 2016-07-12
- Data updated: 2026-08-25
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/concrete-engineering-lite/id1132557710/reviews.md

## What is Concrete Engineering?

Concrete Engineering Calculator is a user-friendly app with 56 calculators for concrete and civil engineering parameters. This version introduces smart auto-fill pickers, a full calculation history with PDF export, and ACI code references on every calculator.
Key Features:

56 calculators covering beams, columns, slabs, walls, and more
Supports both Metric (SI) and Imperial (USCS) units
Includes detailed formulas for all calculations
Smart auto-fill pickers for concrete mix grades, rebar grades, and bar sizes
Calculation history with save, review, and PDF export
ACI 318-19 code reference badge on every calculator
6 calculators free forever, 56 total — unlock all 
with a one-time purchase, no subscription

Beam Calculations:

Water/Cementitious Materials Ratio
Modulus of Elasticity
Tensile Strength
Compressive Stress (Beam)
Stress in Reinforcement
Cross-sectional Area (Tensile and Compressive Reinforcement)
Stress (Extreme Fiber of Concrete)
Shear and Diagonal Tension
Nominal Shear Stress
Ultimate Shear Capacity
Cracking Moment
Bending Moment Capacity (Underreinforced and Rectangular Beams)

Column Calculations:

Total Allowable Axial Load
Spiral Reinforcing Ratio
Long-Column Load Reduction Factor (Fixed Ends)
Maximum Permissible Eccentricity (Spiral and Tied Columns)
Bending Load (Spiral and Tied Columns)

Slab and Wall Calculations:

Slab Thickness
Flexural Stiffness Ratio (Beam Section and Slab Width)
Axial Capacity of Wall
Nominal Shear Stress on Wall
Vertical Shear Reinforcement Ratio of Wall

Development Lengths and Crack Control:

Tension Development Lengths (Various Bar Types)
Compression Development Length
Development Length (Hooked Bar)
Crack Width Control

Additional Calculations:

Volume of Spiral Steel to Concrete Core Ratio
Moment at Balanced Condition
Shear Friction Reinforcement Area
Coefficient of Sliding Friction
Modular Ratio
Steel Ratio
Effective Moment of Inertia
Total End Shear (Counterfort Walls)
Ultimate Strength (No Wind, With Wind, With Earthquake Load)

Auto-Fill Reference Pickers:

Concrete mix picker fills compressive strength and modulus of elasticity automatically
Rebar grade picker fills yield strength and modulus of steel automatically
Bar size picker fills cross-sectional area and diameter automatically
All pickers support both SI and USCS unit modes

## Key features

- 56 concrete and civil engineering calculators
- Metric and Imperial unit support
- Detailed formulas for all calculations
- Smart auto-fill pickers
- Calculation history with PDF export
- ACI 318-19 code references

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Concrete Engineering Calc. | $3.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/concrete-engineering-lite/id1132557710/reviews.md

### 1/5 — Péssimo

*2017-09-04*

Fica travando

## Frequently asked questions about Concrete Engineering

### What is Concrete Engineering - lite?

Concrete Engineering - lite is a mobile application designed to assist civil engineers and students with various concrete and civil engineering calculations. It offers 56 different calculators covering a wide range of parameters, from beam and column design to crack control.

### How many calculators are included in Concrete Engineering - lite?

The app provides access to 56 calculators. While 6 calculators are available for free, users can unlock all 56 calculators through a one-time purchase, with no ongoing subscription required.

### Does Concrete Engineering - lite support different unit systems?

Yes, Concrete Engineering - lite supports both Metric (SI) and Imperial (USCS) units. This allows users to perform calculations according to their preferred measurement system.

### Can I save and export my calculations from Concrete Engineering - lite?

Absolutely. The app features a calculation history that allows you to save and review your past computations. You can also export these calculations in PDF format for easy sharing and documentation.

### Does Concrete Engineering - lite include ACI code references?

Yes, Concrete Engineering - lite includes ACI 318-19 code references directly on each calculator. This ensures that your calculations are aligned with current industry standards and regulations.

### What are the smart auto-fill pickers in Concrete Engineering - lite?

The smart auto-fill pickers simplify data entry by automatically populating values for concrete mix grades, rebar grades, and bar sizes. This feature helps to reduce errors and speed up the calculation process.

### Does Concrete Engineering - lite have ads?

Yes, Concrete Engineering - lite contains advertisements. As a free app with optional in-app purchases to unlock all features, ads are displayed to support its development and maintenance.

### What is the pricing for Concrete Engineering - lite?

Concrete Engineering - lite offers a free version with limited calculators. To unlock all 56 calculators, a one-time purchase of $5.99 is required. There is no subscription model for this app.

## Version history (last 5 releases)

### 6.3 — 2026-04-29

Major update. Smart auto-fill for ACI mix grades, 
rebar and bar sizes. Calculation history, PDF export, 
SI and USCS formula corrections, PASS/FAIL checks.

### 6.2 — 2025-02-17

- Fixed an issue where some calculators are not working properly on iPhone devices running lower iOS versions.

### 6.1 — 2025-01-30

• Optimized for iOS 18 compatibility.
 • Updated interface for improved performance and usability.

### 6.0 — 2021-03-17

- updated for iOS 14

### 5.5 — 2020-03-12

addressed an issue in calculating - Bending moment capacity of rectangular Beams

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All apps by V PUGAZHENTHI: https://appshunter.io/developer/491898049

## Related topics

[concrete reinforcement](https://appshunter.io/ios/topics/concrete-reinforcement) · [structural engineering lite](https://appshunter.io/ios/topics/structural-engineering-lite)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-25.*