BuildingClub Pro is a collection of 110+ free, browser-based construction calculators for contractors, estimators, architects, and DIY homeowners. Every calculator runs entirely client-side — your inputs are never sent to a server — and exports results to PDF, CSV, or JPG.
We cover concrete, masonry, steel, timber and framing, roofing, earthwork, insulation and waterproofing, finishing work, and landscaping. Each calculator is available in both imperial (ft/in, yd³, lbs) and metric (m/cm, m³, kg) units and is translated into 40+ languages.

Mikhail Bezgodov (Misha Noyr), M.Eng.
Civil Engineer · 15+ years experience
Structural design and geotechnics. Graduated from Perm National Research Polytechnic University (PNRPU). Author of engineering references at BuildingClub.info and a contributor to ISSMGE publications.
Every calculator is built on published engineering standards and documented formulas. We favour transparency: each page lists the formulas it uses and typical yields for materials.
Results are intended for estimation and planning. Real projects vary with site conditions, material tolerances, waste, and local code amendments. Always:
Calculator inputs and results stay in your browser (localStorage) — nothing is sent to our servers. We use Google Analytics with Consent Mode v2 for anonymised traffic stats and Google AdSense for advertising. You can decline analytics and ad personalisation in the cookie banner.
Bug reports and suggestions are welcome via the “Report a bug” link in the footer of any calculator, or through the parent site at buildingclub.info.