🛠️ Engineering

📏Beam Bending Stress & Deflection Calculator Calculate the maximum bending moment, stress and deflection of a simply supported beam with a central point load or a uniform load, free online. 📐Beam Deflection Calculator Calculate the maximum deflection of a simply supported beam, free online. ⚙️Bearing Life (L10) Calculator Calculate the L10 rating life of a rolling bearing in millions of revolutions and operating hours, free online. 🔗Belt Drive Ratio & Length Calculator Calculate the speed ratio, driven speed, belt length, wrap angle and belt speed of a two-pulley belt drive, free online. 🔩Bolt Torque Calculator Estimate the tightening torque needed for a bolt preload, free online. 🏛️Euler Column Buckling Calculator Calculate the critical buckling load of a slender column from its stiffness, length and end conditions, free online. 🦺Factor of Safety Calculator Calculate the factor of safety from ultimate strength and allowable stress, free online. 📉Fatigue Life (S-N, Basquin & Goodman) Calculator Estimate the cycles to failure from the stress amplitude using the Basquin S-N relation with a Goodman mean-stress correction, free online. 🔥Fillet Weld Strength Calculator Estimate the load capacity of a fillet weld from its leg size, length and the filler metal strength, free online. 🎡Flywheel Energy Storage Calculator Calculate the moment of inertia and stored kinetic energy of a flywheel disc or ring, and the energy released over a speed drop, free online. ⚙️Gear Ratio Calculator Calculate gear ratio and output speed from tooth counts and input RPM, free online. 🌡️Heat Sink Thermal Resistance Calculator Find the maximum heat-sink thermal resistance needed to keep a chip or power transistor below its junction temperature limit, free online. 🏗️Hydraulic Cylinder Force & Speed Calculator Calculate the push and pull force and the extend and retract speeds of a hydraulic cylinder from bore, rod, pressure and flow, free online. 🔩Metric Bolt Size, Strength & Torque Calculator Look up the pitch, stress area, proof and tensile load and recommended tightening torque for metric bolts by size and grade, free online. 📏Moment of Inertia (Area) Calculator Calculate the second moment of area for rectangular and circular sections, free online. 🏎️Power-to-Weight Ratio Calculator Calculate power-to-weight ratio from power and weight, free online. 🛢️Pressure Vessel Wall Thickness Calculator Calculate the minimum wall thickness of a thin-walled cylindrical or spherical pressure vessel under internal pressure, free online. ⚙️Pulley Belt Length Calculator Calculate the belt length needed for two pulleys, free online. 🏭Shaft Power Calculator Calculate power from torque and rotational speed, free online. 🌀Spring Constant (Hooke's Law) Calculator Calculate spring constant and stored energy from force and extension, free online. 🔧Stress Concentration Calculator Calculate the peak stress at a hole, notch or fillet, free online. 📐Stress-Strain (Young's Modulus) Calculator Calculate stress, strain and Young's Modulus from force, area and length change, free online. 📐Tolerance Stack-Up Calculator Calculate worst-case and statistical (RSS) tolerance stack-up, free online. 🔧Torque Calculator Calculate torque from force, lever arm length and angle, free online.