Structural Engineering lite
Civil Construction App
Free · In-App Purchases · Designed for iPad. Not verified for macOS.
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/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 inches/ksi and mm/MPa with
automatic conversion.
All section and material data included. Supports both USCS and SI
units. Compatible with iPhone and iPad. Pay once —
no subscriptions.
References: AISC Steel Construction Manual 15th
Edition, AISC 360-16, AISC ASD 9th Edition,
ACI 318-19, AISC Design Guide 3.
Ratings & Reviews
Major Update
· AISC code reference on every formula
· PASS/FAIL demand/capacity ratio check
· Built-in AISC W-shape section picker
(W4×13 through W44×335)
· Reference tab with section tables and
ASTM material grades
· Full SI unit support — mm, MPa throughout
· Calculation history with save and review
· PDF report export for design records
· Formula category filter — Columns, Beams,
Connections, Base Plates, Composite
· Free trial — 4 calculations per formula
before unlock
The developer, V PUGAZHENTHI, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Location
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
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Information
- Seller
- V PUGAZHENTHI
- Size
- 6.2 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
English and 7 more
- English, Dutch, French, German, Italian, Portuguese, Simplified Chinese, Spanish
- Age Classification
4+
- 4+
- In-App Purchases
Yes
- Structural Engineering Calc. $12.99
- Copyright
- © all rights reserved

