About EngForge

EngForge is a free, open-source engineering calculator platform built for engineers, students, and technical professionals. Every calculation runs directly in your browser — no account required, no data sent to a server, no cost.

Our Mission

Professional engineering tools should be accessible to everyone — from a final-year student studying for their PE exam to a field engineer who needs a quick check without opening expensive software. EngForge makes that possible. We combine rigorous, code-correct formulas with clear visual output and AI-powered explanations so you can understand why an answer is what it is, not just what it is.

What's Included

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Civil8 tools
Beam design, pipe flow, earthwork, storm drain, footing, slope, retaining walls
⚙️
Mechanical8 tools
Gear ratio, spring rate, shaft stress, bearings, belt drive, flywheel, heat transfer
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Electrical12 tools
Ohm's law, voltage divider, RC time, PCB trace, power factor, wire gauge, LEDs
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Structural4 tools
Structural analysis tools for professional use
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Chemical4 tools
Reynolds number, Darcy-Weisbach, pump power
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Math3 tools
Quadratic equations, nonlinear solver, dice probability
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Aerospace1 tools
Orbital velocity calculator
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Environmental1 tools
Solar panel output estimator
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Biomedical1 tools
BMI and body surface area
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Neuroscience1 tools
Neuroscience reference tools

Plus an engineering knowledge base, shareable result links, PDF/Excel export, and AI explanations powered by large language models.

How It Works

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Instant results
Calculations run in your browser as you type. No server round-trips.
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AI explanations
Ask "explain this result" and get a plain-English breakdown of the formula and output.
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Visual charts
Sensitivity analysis and simulation charts show how results change with your inputs.
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Shareable links
Every result has a unique URL. Share it with a colleague in one click.
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PDF & Excel export
Download a formatted calculation report in one click.
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Multi-language
Interface available in English, Spanish, French, German, and more.

Important Disclaimer

All calculations and simulations on EngForge are for informational and educational purposes only. Results must be verified against applicable codes and standards before use in any design or construction decision. Always consult a licensed professional engineer where required. See our full Terms of Service.

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