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Structural Analysis Software for Beams, Frames & Trusses

3D FEA structural analysis with integrated steel design checks. Instant access, no sales call — start modelling in your browser immediately.

No signup required to get started.

Wireframe model viewRendered model viewDisplacement resultsBending moment diagramAxial force diagramShear force diagram

No Barrier to Entry

Instant access, no license key, no sales call.

Professional Reports

PDF & Excel reports ready for documentation and review.

Code-Compliant

Integrated design checks for AISC 360, EC3, AS4100 & CSA S16.

Verified & Benchmarked

Solver verified against published textbook solutions.

Flexible Plans for Every Engineer

Start immediately with no signup. Scale up as your projects grow.

No Account
  • • Full 3D modelling tools
  • • 3 analysis runs per day (20 node limit)
  • • All analysis types
  • • Results visualisation
  • • Local browser storage + DXF import
  • • 15 steel design checks per month
Free Account
  • • Unlimited daily runs (20 node limit)
  • • 20 cloud-saved projects
  • • PDF/Excel report feature
  • • Custom sections and materials
  • • Settings sync across devices
  • • Access from any computer
  • • 50 steel design checks per month
Pro Subscription
  • • Everything above, plus:
  • • Unlimited nodes
  • • Unlimited cloud projects
  • • Load combination generator
  • • Unlimited steel design checks + PDF handcalcs
  • • Design checks integrated in Structural FEA

Comprehensive Analysis & Design Tools

From 3D modelling to code-compliant design checks — everything in one place.

3D Modelling
Intuitive 3D modelling with smart snapping, box selection, copy & extrude, and intelligent filtering for efficient workflows
Section & Material Libraries
Access over 10,000 inbuilt sections and hundreds of materials, or create your own custom section and material libraries
Load Combinations
Define load cases and combinations with factors for design code compliance
Multiple Analysis Types
Linear, P-Delta (2nd order), and general analysis with tension/compression-only members
Results Visualisation
Bending moment, shear, axial force, and torsion diagrams with reactions, deflected shapes, and PDF/Excel reports
Design Code Engines
Integrated design checks for AISC 360-16, Eurocode 3, AS 4100:2020, and CSA S16-19

Why Choose AutoCalcs?

Traditional FEA software costs thousands per seat and requires lengthy procurement. AutoCalcs delivers professional-grade analysis without the overhead.

  • No Procurement Required

    No license keys, no IT department, no waiting. Open the URL and start.

  • Transparent & Verified

    Open-source solver with published benchmark tests. Full transparency into how results are computed.

  • Code-Compliant Design Checks

    AISC 360, Eurocode 3, AS4100, CSA S16 — with hand-calculation PDFs for every check.

  • Affordable for Engineers & Students

    Full analysis at no cost. Pro features from $20/month — a fraction of enterprise alternatives.

Ready to Start?

Open the app and build your first model — no signup, no license, no friction.