Concrete Engineering - lite6.3 - App Store

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

Version History 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. 6.3 Apr 29 - Fixed an issue where some calculators are not working properly on iPhone devices running lower iOS versions. 6.2 02/17/2025 • Optimized for iOS 18 compatibility.
• Updated interface for improved performance and usability. 6.1 01/30/2025 - updated for iOS 14 6.0 03/17/2021 addressed an issue in calculating - Bending moment capacity of rectangular Beams 5.5 03/12/2020 quick fix to avoid App crashes. 5.4 03/02/2020 Now, you can try all the 56 calculations before you opt to unlock the App. 5.3 02/26/2020 - some improvements made to user-interface
- few errors fixed. 5.1 12/05/2019 - updated for iOS 13
- looks great in dark mode 5.0 10/08/2019 in-App purchases made easy 4.1 06/21/2019 updated all new user interface
compatible with you new iPhone X max 4.0 11/09/2018 - ready for your new iPhone X
- some issues with in-App purchase are cleared 3.0 11/15/2017 allows higher values in Exponential format.
as for Modulus Elasticity of Steel enter "180E3 megapascal" instead of "180000000 megapascal" 2.1 02/16/2017 1.1 07/12/2016