Steel Calc

Steel Calc is a structural steel design reference and calculator built for engineers, students, and anyone working with steel structures.

Browse a curated library of structural steel formulas covering beam design, columns and buckling, connections, member properties, fatigue and fracture, composite and plate behavior, and stress analysis. Each formula comes with a clear explanation and a full breakdown of every variable, so you always understand what you're calculating and why.

Need a quick result? Open the built-in calculator for any formula, enter your values, and get an instant answer in the correct unit.

Search across formulas, variable symbols, and descriptions to find what you need in seconds, or filter by category to browse a specific area of steel design.

Steel Calc works fully offline, requires no account, and does not collect or share any personal data. It's a lightweight, distraction-free reference you can rely on in the office, on site, or in the classroom