About Structural Engineering Calc.
Structural Engineering Calculator delivers 59 AISC and ACI structural formulas with instant results, demand/capacity checks, a built-in AISC section database, and material references - all in one app. Whether you’re on...
Structural Engineering Calculator delivers 59 AISC and ACI structural formulas with instant results, demand/capacity checks, a built-in AISC section database, and material references - all in one app. Whether you’re on site, in the office, or reviewing drawings, every calculation you need is in your pocket. 59 STRUCTURAL FORMULAS COLUMNS Critical Ratio (Cc), Effective Length Factor (K), Slenderness Ratio (KL/r), Allowable Compressive Stress (Sr less than Cc), Allowable Compressive Stress (Sr greater than Cc), Safety Factor, Maximum Axial Load. BEAMS Shear Capacity of Flexural Members, Allowable Bending Stress (Compact and Noncompact), Moment Gradient Factor (Cb), Allowable Flange Bending Stress, Plastic Moment (Mp), Lateral Unbraced Lengths (Lp and Lr), Limiting Buckling Moment (Mr), Nominal Moment (Mn), Critical Elastic Moment (Mcr), Allowable Shear Stress, Beam Deflection for UDL and Point Load. BASE PLATES Base Plate Area, Plate Thickness, Bearing Pressure, Flange and Web Thickness, Plate Dimensions N and B. COMPOSITE BEAMS Horizontal Shear for Concrete and Steel, Number of Shear Connectors, Transformed Section Properties, Modular Ratio, Elastic Neutral Axis. CONNECTIONS Allowable Shear with Tension Field Action, Allowable Bearing Stress for Rollers and Rockers, Axial Stress for Concentrated Loads, Allowable Bearing Stress on Fasteners, Number of Shear Connectors, Total Horizontal Shear. AISC CODE REFERENCES Every formula links directly to AISC and ACI clauses - AISC 360-16, AISC ASD 9th Edition, ACI 318-19, and AISC Design Guide 3. PASS / FAIL CHECK Instant visual adequacy check with demand/capacity ratio - green for PASS, red for FAIL. AISC SECTION PICKER Browse W-shapes (AISC 15th Edition) and auto-fill section properties instantly. REFERENCE TAB Built-in library with W-sections (W4-W44), ASTM materials (A36, A992, A572, A500, A325, A490, F1554), weld electrodes, concrete grades, and codes. USCS & SI UNITS Switch anytime between USCS (in, kip, ksi) and SI (mm, MPa) with automatic conversion. All section and material data included. Supports both USCS and SI units. Compatible with iPhone and iPad. One-time purchase - no subscriptions. References: AISC Steel Construction Manual 15th Edition, AISC 360-16, AISC ASD 9th Edition, ACI 318-19, AISC Design Guide 3.
Version History Major Update AISC-referenced formulas with clear PASS/FAIL demand/capacity checks, built-in W-shape section selector (W4×13 to W44×335), full support for USCS (in, kip) and SI (mm, MPa) units, calculation history, PDF report export, and categorized formulas for Columns, Beams, Connections, Base Plates, and Composite. 6.4 Apr 11 • Added support for entering values in exponential format (e.g., input 29E+3 instead of 29000). 6.3 01/15/2025 • Fully optimised for iOS 18. • Enhanced translations for engineering parameters for greater accuracy. • Now available in more languages to reach a wider audience. • One app, seamless across all your devices: iPhone, iPad, and Mac. 6.2 12/17/2024 - added dark mode - new UI and updated for iOS 17 - added formulas in a structured format for better reading 6.1 01/25/2024 updated for iOS 16.0 6.0 04/03/2023 Searching for the Calculators made easy. 5.4 04/13/2020 - updated for iOS 13 - looks great in dark mode 5.3 10/03/2019 improved new user interface 5.2 06/26/2019 all new interface with more stability ready for you new iPhone X 5.1 03/22/2018 updated for error , where units in USCS were not changing from SI format 4.1 06/13/2017 - Few errors cleared. 4.0 06/03/2016 - ready for iPad Pro - improved User Interface 3.0 01/25/2016 - Ready for iOS 8 - Available in English , French, German, Italian, Spanish and Portuguese languages 2.0 12/15/2014 - Tap the Screen to hide the keypad in iPhone. - Few Errors fixed. 1.1 07/02/2013 1.0 01/07/2013
Previous Versions
Here you can find the changelog of Structural Engineering Calc. since it was posted on our website on 2022-03-25 02:03:51.
The latest version is 6.4 and it was updated on 2026-06-12 13:53:28. See below the changes in each version.
Structural Engineering Calc. version 6.4
Updated At: 2026-06-12
Changes: Version History Major Update
AISC-referenced formulas with clear PASS/FAIL demand/capacity checks, built-in W-shape section selector (W4×13 to W44×335), full support for USCS (in, kip) and SI (mm, MPa) units, calculation history, PDF report export, and categorized formulas for Columns, Beams, Connections, Base Plates, and Composite. 6.4 Apr 11 • Added support for entering values in exponential format (e.g., input 29E+3 instead of 29000). 6.3 01/15/2025 • Fully optimised for iOS 18.
• Enhanced translations for engineering parameters for greater accuracy.
• Now available in more languages to reach a wider audience.
• One app, seamless across all your devices: iPhone, iPad, and Mac. 6.2 12/17/2024 - added dark mode
- new UI and updated for iOS 17
- added formulas in a structured format for better reading 6.1 01/25/2024 updated for iOS 16.0 6.0 04/03/2023 Searching for the Calculators made easy. 5.4 04/13/2020 - updated for iOS 13
- looks great in dark mode 5.3 10/03/2019 improved new user interface 5.2 06/26/2019 all new interface with more stability
ready for you new iPhone X 5.1 03/22/2018 updated for error , where units in USCS were not changing from SI format 4.1 06/13/2017 - Few errors cleared. 4.0 06/03/2016 - ready for iPad Pro
- improved User Interface 3.0 01/25/2016 - Ready for iOS 8
- Available in English , French, German, Italian, Spanish and Portuguese languages 2.0 12/15/2014 - Tap the Screen to hide the keypad in iPhone.
- Few Errors fixed. 1.1 07/02/2013 1.0 01/07/2013
Structural Engineering Calc. version 6.3
Updated At: 2025-01-15
Changes: • Added support for entering values in exponential format (e.g., input 29E+3 instead of 29000).
Structural Engineering Calc. version 6.3
Updated At: 2025-01-15
Changes: Jan 15, 2025
Version 6.3
• Added support for entering values in exponential format (e.g., input 29E+3 instead of 29000).
Structural Engineering Calc. version 6.2
Updated At: 2024-12-17
Changes: Dec 17, 2024
Version 6.2
• Fully optimised for iOS 18.
• Enhanced translations for engineering parameters for greater accuracy.
• Now available in more languages to reach a wider audience.
• One app, seamless across all your devices: iPhone, iPad, and Mac.
Structural Engineering Calc. version 6.1
Updated At: 2024-01-25
Changes: Jan 25, 2024
Version 6.1
- added dark mode
- new UI and updated for iOS 17
- added formulas in a structured format for better reading
Structural Engineering Calc. version 6.0
Updated At: 2023-04-03
Changes: Apr 3, 2023
Version 6.0
updated for iOS 16.0
Structural Engineering Calc. version 5.4
Updated At: 2020-04-13
Changes: Apr 13, 2020 Version 5.4
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