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3D Structural Analysis Software for Beams, Frames, Trusses & Plates

Model, analyse, and design 3D structures in your browser with linear, P-Delta, buckling, modal analysis and steel member design checks.

No signup required to get started.

Verification model structural frame and platesVerification model result contoursRendered model viewBending moment diagramAxial force diagramShear force diagramPlate contour result view

Comprehensive Analysis & Design Tools

Advanced Analysis Types

Run modal and buckling analyses, then animate mode shapes and stability results directly in the viewport.

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 (12 node limit)
  • • All analysis types
  • • Results visualisation
  • • Local browser storage + DXF import
  • • 3 steel design checks per month
  • • Load combination generator
Free Account
  • • 10 analysis runs per day (12 node limit)
  • • 20 cloud-saved projects
  • • PDF/Excel report feature
  • • Custom sections and materials
  • • Settings sync across devices
  • • Access from any computer
  • • 10 steel design checks per month
Pro Subscription
  • • Everything above, plus:
  • • Unlimited nodes
  • • Unlimited cloud projects
  • • Unlimited analysis runs
  • Unlimited steel design checks + PDF handcalcs

$24.99/month when billed annually, or $39.99 month-to-month.

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.

  • Transparency & Benchmarks

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

  • Multi-code 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 $24.99/month - a fraction of enterprise alternatives.

Ready to Start?

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