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From the workbench to the lab, EngTools brings 48 practical engineering tools into one focused app. Check dimensions, estimate loads, size components and convert units without jumping between spreadsheets.
Explore eight areas of engineering. General and Mechanical tools cover unit conversion, material weight and properties, stress, beams, shafts and gears. Electronics and Workshop tools help with circuits, voltage drop, wire sizing, machining, threads and tolerances. Civil and Fluids tools cover concrete, rebar, foundations, flow, hydraulics, tanks and pipe sizing. Chemical and Aerospace tools include dilution, pH, equation balancing, atmosphere, lift, Mach speed and orbital transfers.
Switch between metric and imperial units where supported. Save your go-to tools in Favorites, return to them through Recent, and choose light, dark or system appearance. EngTools is available in 10 languages and contains no ads.
Each category has three free and three Premium tools. You can look through locked tools before unlocking all 24 Premium tools with one purchase. No subscription. EngTools is intended for quick checks and preliminary estimates; verify design-critical results against your project data and applicable standards.