StructBase

Structural Steel · Free Tools

Engineering calculators
for steel professionals

A growing suite of free, browser-based tools for fabricators, detailers, estimators, and students. No account, no install, no data sent anywhere.

Fully client-side Mobile & tablet friendly CSV export No sign-in required

Tools

AISC Sections Database

Live

Instant search across all AISC steel shapes — W, HSS, C, L, WT, MC, HP and more. Filter by designation, browse full property tables: Ix, Sx, r, flange & web dimensions.

Open Tool

1D Nesting Calculator

In Dev

Optimise cut lists against available stock lengths. Upload or enter required pieces and stock; get a cutting plan with waste percentage and bevel flags — ready for the saw operator.

Coming Soon

Beam Calculator

In Dev

SFD & BMD diagrams for simply supported, cantilever, and overhang beams. Point loads, UDL, and moments. Includes a step-by-step hand-calc output for AI-assisted learning.

Coming Soon

IFC Viewer & Diff

Live

Upload a Tekla Structures or Revit IFC file to view all assembly data. Compare two revisions and get a diff of section, length, and elevation changes flagged for coordination.

Open Tool

Shear Nester

Live

Flashing cut optimizer for shear cutting. Import a takeoff schedule from Excel, define stock sheets, and get an optimized cutting plan with SVG layout diagrams and a print-ready summary report.

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⚠️
For Educational & Estimation Purposes Only All section properties, calculations, and results provided by StructBase are sourced from the AISC Steel Construction Manual (16th Edition) and are intended for educational and preliminary estimation use only. Always verify all values against current AISC publications and applicable engineering standards. Do not use these results as the sole basis for any structural design or construction decision. StructBase accepts no liability for errors or omissions.