ToolPebMechanical & Materials tools
Choose the task you need. Each tool explains its inputs, supported options and result.
Torque from force and lever armτ = F × rShaft power from torque and RPMP = τ × 2π × RPM / 60Linear momentump = mvImpulse from force and durationJ = FΔtSpring force magnitudeF = kxElastic spring energyE = ½kx²Centripetal forceF = mv² / rNominal axial stressStress = force / areaEngineering axial strainStrain = ΔL / LYoung modulus from linear elastic dataE = stress / strainLinear thermal expansionΔL = αLΔTCoulomb sliding friction magnitudeF = μNIdeal gear train output speedOutput RPM = Input RPM × driver teeth / driven teethBelt surface speedv = π × (D / 1000) × RPM / 60Machining cutting surface speedv = π × D × RPM / 1000Spindle RPM from cutting speedRPM = 1000v / (πD)Milling table feedFeed = feed/tooth × teeth × RPMConstant-feed machining travel timeTime = travel / feed