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Fast Analysis
Linear, P-Delta & tension/compression-only
Open Source Engine
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- • Full 3D modelling tools
- • 3 analysis runs per day (20 node limit)
- • All analysis types
- • Results visualisation
- • Local browser storage
Free Account
- • Unlimited daily runs (20 node limit)
- • 20 cloud-saved projects
- • PDF/Excel report feature
- • Settings sync across devices
- • Access from any computer
Pro Subscription
- • Everything above, plus:
- • Unlimited nodes
- • Unlimited cloud projects
- • Custom sections and materials
Professional Structural Analysis Tools
Everything you need to model and analyse beam, frame, and truss structures.
3D Modelling
Intuitive 3D modelling with smart snapping, node placement, and element creation
Smart Selection
Box selection, multi-select, and intelligent filtering for efficient modelling
Copy & Extrude
Quickly duplicate and extend structures with powerful copy and extrude tools
Multiple Analysis Types
Linear, P-Delta (2nd order), and general analysis with tension/compression-only members
Results Visualisation
Bending moment, shear, axial force, torsion diagrams with reactions and deflected shape
Load Combinations
Define load cases and combinations with factors for design code compliance
Why Choose AutoCalcs?
Traditional FEA software is expensive and complex. We built AutoCalcs to be free, simple, and accessible to everyone.
- Instant Access
Start modelling immediately. Create an account to save across devices.
- Open Source Engine
Built on Pynite, a well-tested open-source FEA library.
- Cloud-Based
No installation. Works in your browser on any device.
- Pay Only If You Need More
Subscription only for cloud storage and large models.