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Mechanical engineering calculator with ISO tools and AI assistant
McLib – Engineering Calculator for mechanical engineers. Powerful mechanical engineering calculator with ISO tools and AI assistant — all in one app. Designed for mechanical engineering students, professionals, and educators who need accurate calculators, ISO-standard tools, and reliable engineering data on the go. Mechanical Engineering Calculator Solve real-world project calculations instantly: • Heat loss calculator • Natural gas installation calculator • Ventilation calculator • Pipe diameter calculator • Circulation pump calculator • Hydrofor system calculator Hydraulic Calculator • Piston and cylinder force calculator • Pump calculator • Accumulator calculator • Pipe flow calculator • Engine calculator • Temperature and pressure loss calculator Pneumatic Calculator • Air consumption calculator • Force calculator Manufacturing & Production Calculator • Cutting condition calculator (ISO standard) • Pressure vessel design calculator • Bearing calculator • Hardness conversion tool More Engineering Calculators • Welding heat input calculator • Reinforced concrete steel bar calculator • Tolerance and fits calculator with ISO geometric tolerances • Bernoulli equation, Young's modulus, differential pressure calculator Mechanical Engineering Library • Gearboxes • Pillow blocks • Pulleys • Gears • Bearings • Bolts and Nuts • Fans • Measuring Tools Engineering Material Database • 73 engineering materials • 15 mechanical and thermal properties per material • Iron-carbon phase diagram • Stress-strain diagram Unit Converter • 26 unit categories: length, pressure, temperature, power, mass, energy, and more PDF Export & Calculation History • Save calculation results as PDF • View saved calculations anytime AI Engineering Assistant – Powered by Gemini • Ask mechanical engineering questions via text • Upload images of mechanical parts for instant AI analysis • Multi-turn engineering chat support McLib is the go-to mechanical engineering calculator with ISO tools and AI assistant — fast, accurate, and built for real engineering work.