i² i2Engineering

Engineering calculations, fully explained

Step-by-step calculations for steel rivet/bolt connections and beam statics, with charts.

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Step-by-step

We show every formula and intermediate value, not only the final number.

Charts

Capacity vs demand and diagrams rendered with Chart.js.

Guest usage

You can use the calculators without creating an account.

Calculation Modules

Select the module you want to use.

Steel rivet / bolt connection

Compute tension, shear and bearing capacities together with safety factors.

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Beam static calculation

Compute support reactions, shear and bending moment diagrams.

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This platform is for educational and preliminary calculations only; results must not be used directly in real engineering projects. All projects must be reviewed by authorized engineers. We accept no technical, legal, or financial liability arising from use of this system.