MechitCalc
A webapp for Piping calculations with pdf reports
MechitCalc launched on July 22, 2026 with 3 votes, #8,766 of 24,623 launches that month and more than 50% of that year's launches.
What it does
2 years ago I embarked on creating this program. I am a mechanical engineer that performs piping and pressure vessel calculations. I have been using different programs like PV elite or made excel sheets for certain calculations. But they have always left me a bit unsatisfied. Often these programs make it hard to calculate multiple sizes on different temperature/pressure combinations and excel sheets are limited as they can't really have any logic. This program allows both in a browser
Online mechanical engineering calculators for ASME B31.3 and EN 13480 piping: wall thickness, branch reinforcement, elbows, flanges, test and external pressure.
Your comprehensive tool for mechanical engineering calculations based on ASME and EN standards. Streamline your design process for piping systems, pipe specs, and more with our intuitive calculators. Professional PDF reports with clean, concise tables perfect for documentation and client presentations. Detailed PDF with every calculation step, formula, and intermediate result for complete transparency. Configure tolerance settings with precision control for all-encompassing or ISO tolerances (t1-t5), based on EN10216 material codes, with % tolerance, %/mm, absolute mm, or preset options. Manually adjust any calculation value for maximum flexibility in your engineering workflow. Perfect for…from mechitcalc.com
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