200 professional calculators based on ASME/ISO standards
Calculate beam deflection, bending stress, shear force, and reactions for simply supported, cantilever, and fixed beams.
Calculate beam deflection by superposing multiple load cases: point load, distributed load, and moment on simply support
Calculate Euler buckling load, critical stress, and slenderness ratio for columns. Includes effective length factors (K
Calculate Euler critical buckling load for columns with various end conditions: pinned, fixed, free, and guided.
Calculate von Mises and Tresca equivalent stress for combined axial, bending, torsion, and shear loading.
Calculate compression spring rate, deflection, shear stress, solid height, and free length for helical springs.
Calculate bending stresses in curved beams using the Winkler-Bach formula for inner and outer fiber stresses.
Calculate deflection and bending stress for circular and rectangular plates under uniform pressure with various edge con
Plot safety factors using Modified Goodman, Gerber, and Soderberg fatigue failure criteria for mean and alternating stre
Calculate dynamic stress and deflection from sudden and falling weight impacts on beams and bars.
Calculate principal stresses, maximum shear stress, and transformation angles using Mohr
Calculate shear stress and angle of twist for rectangular, square, and elliptical cross-sections under torsion.
Calculate critical buckling stress for flat plates under in-plane compression with various edge support conditions.
Calculate pressure vessel stress including hoop and longitudinal stress. Thin and thick wall analysis with ASME wall thi
Calculate centroid, moment of inertia, section modulus, and radius of gyration for common cross-sections: rectangle, I-b
Calculate shaft deflection under multiple loads using superposition. Supports simply supported, cantilever, and overhung
Calculate shear flow in thin-walled open and closed sections for beam shear and torsion loading.
Calculate member forces in a simple triangular truss element using method of joints and equilibrium.
Calculate bolt forces and plate thickness for steel beam-to-column moment connections.
Calculate elastic strain energy stored in members under axial, bending, torsion, and shear loading.
Calculate stress concentration factors (Kt) for holes, notches, fillets, and keyways. Includes fatigue notch factor (Kf)
Transform normal and shear stresses to any arbitrary plane angle. Complementary to Mohr
Calculate engineering and true stress-strain values, strain hardening exponent, and proof stress from test data.
Calculate radial, tangential (hoop), and axial stresses in thick-walled pressure vessels using Lamé
Calculate ball screw lead, torque, life, and critical speed for linear motion applications per ISO 3408.
Calculate bearing L10 life, adjusted life, and dynamic load rating. Ball and roller bearing life prediction based on ISO
Calculate load-deflection, stress, and stacking configurations for Belleville (disc) springs per DIN 2093.
Calculate belt conveyor power, belt tension, and required motor size for bulk material handling systems.
Calculate belt length, speed ratio, tension, and power capacity for V-belt and flat belt drives. Sheave sizing, belt sel
Calculate belt drive tension including tight side, slack side, effective, and centrifugal tension.
Calculate straight bevel gear geometry, pitch cone angles, and tooth forces for intersecting-shaft drives.
Calculate cam profiles including constant velocity, parabolic, harmonic, and cycloidal motion. Analyze follower displace
Calculate Hertzian contact stress and fatigue life for cam and roller follower systems.
Calculate clutch torque capacity, plate dimensions, and actuating force for single and multi-plate friction clutches. In
Calculate spring rate, stress, deflection, and fatigue life for helical compression springs per ASME standards.
Calculate belt tension, sag, and required take-up for conveyor belt systems using CEMA methodology.
Calculate coupling torque capacity with service factors, analyze angular and parallel misalignment compensation, and sel
Calculate braking torque, pad pressure, stopping distance, and thermal energy for disc brake systems.
Calculate flywheel energy storage, moment of inertia, coefficient of fluctuation, rim stress, and flywheel sizing for sp
Analyze four-bar linkage mechanisms. Calculate Grashof criterion, linkage classification, position analysis, and transmi
Calculate braking torque, heat generation, and actuating force for band brakes, disc brakes, and drum brakes. Includes t
Calculate clutch torque capacity, thermal energy, plate sizing using uniform pressure and uniform wear theories.
Calculate gas spring force, stroke, and sizing for lids, hatches, and counterbalance applications.
Calculate AGMA surface contact stress (pitting resistance) for spur and helical gear pairs.
Calculate gear ratios, output speed, and torque for gear trains. Single stage and compound gear calculations with effici
Calculate gear tooth bending stress using the Lewis equation and AGMA bending strength methodology.
Calculate kinematics of a Geneva (Maltese cross) mechanism: indexing time, angular velocity ratio, and geometry.
Calculate helical gear geometry, forces, and AGMA bending/contact stress for power transmission gear pairs.
Calculate minimum film thickness, friction, power loss, and temperature rise for hydrodynamic journal bearings.
Calculate key and keyway stress including shear and bearing stresses. Standard key sizes per ANSI/ASME B17.1 and DIN 688
Calculate deflection, stress, and spring rate for single and multi-leaf springs used in vehicle suspension.
Calculate linear guide/bearing life, equivalent load, and moment loads for linear motion systems.
Calculate gear ratios, speeds, and torques for epicyclic (planetary) gear trains with sun, planet, and ring gears.
Calculate power screw torque to raise/lower loads, efficiency, and self-locking for Acme and square threads.
Calculate linear speed, force, and pinion torque for rack and pinion systems used in linear motion.
Calculate retaining ring groove dimensions, thrust capacity, and safety factors for internal and external snap rings per
Calculate bearing life, equivalent dynamic load, and minimum required load rating for roller bearings.
Calculate roller chain length, chain speed, tension, and sprocket sizing for power transmission. ANSI chain selection (2
Calculate roller chain speed, power rating, and recommended chain size for drive selection.
Calculate angular and offset misalignment, and correction shim thickness for rotating machinery alignment.
Calculate shaft power from torque and RPM. Bi-directional calculator for power, torque, and speed with efficiency losses
Size shafts for combined bending and torsion using ASME code methods. Calculate minimum diameter based on von Mises stre
Calculate combined bending and torsion stress in shafts. Von Mises equivalent stress, ASME shaft design criteria, and sa
Calculate piston displacement, velocity, and acceleration for a slider-crank mechanism at any crank angle.
Calculate spline dimensions, torque capacity, and stress for involute and straight-sided splines per ANSI B92.1 and ISO
Calculate spring constant, deflection, stress, and fatigue life for helical compression and extension springs. Includes
Calculate timing belt length, number of teeth, speed ratio, and tension for synchronous belt drives.
Analyze assembly tolerance stack-up using worst-case and RSS statistical methods.
Calculate torque converter stall ratio, efficiency, and coupling point for automotive and industrial applications.
Calculate torsion spring rate, stress, and deflection for helical torsion springs used in mechanisms.
Calculate speed variation, max angular acceleration, and operating limits for Hooke
Calculate V-belt power rating, required number of belts, and belt life for industrial drive systems.
Calculate worm gear efficiency, output torque, self-locking check, and tangential force.
Calculate proper bolt tightening torque based on grade, size, and lubrication. Determine clamp force and preload for met
Analyze preloaded bolted joints including bolt stiffness, member stiffness, load sharing, and separation safety factor.
Calculate required bolt preload, gasket seating stress, and operating condition forces for flanged joints per ASME PCC-1
Calculate gasket seating load, bolt preload, bolt stress, and minimum torque for bolted flange joints.
Calculate interface pressure, stresses, and assembly force for press fits between shaft and hub using thick cylinder the
Calculate tightening torque for machine screws and cap screws with various friction conditions per ASME standards.
Calculate interference fit pressure, assembly force, holding torque, and stress for press fits and shrink fits per ISO/A
Calculate rivet shear, bearing, and plate tear-out stresses for single and double-lap riveted connections.
Calculate screw jack lifting torque, efficiency, self-locking, and lead screw design for Acme, square, and trapezoidal t
Calculate heating/cooling temperatures required for shrink fit assembly of interference fit components.
Calculate thread stripping strength for internal and external threads, and minimum thread engagement length.
Estimate fatigue life of welded joints using IIW fatigue classes (FAT) and S-N curve approach per Eurocode 3.
Calculate allowable pressure for welded vessels considering joint efficiency per ASME BPVC Section VIII.
Calculate fillet weld strength, groove weld capacity, and required weld sizes per AWS D1.1. Includes electrode database,
Calculate welding cost per meter including filler metal, gas, labor, and overhead for common welding processes.
Calculate electrode consumption, number of passes, and deposition rate for fillet and groove welds.
Apply Bernoulli
Calculate pump head, power, efficiency, and specific speed for centrifugal pump selection and sizing.
Calculate Mach number, stagnation properties, and area ratios for isentropic compressible gas flow.
Calculate pipe friction head loss using Darcy-Weisbach equation with Moody friction factor for laminar and turbulent flo
Calculate aerodynamic and hydrodynamic drag force for various body shapes using drag coefficient method.
Calculate heat pipe thermal resistance, heat transport capacity, and operating limits for electronics cooling.
Calculate flow velocity and discharge in open channels using Manning
Calculate flow rate through orifice plates using ISO 5167 discharge coefficients. Includes sharp-edge, square-edge, and
Calculate equivalent length and pressure drop through pipe fittings, valves, and bends using K-factor method.
Calculate pipe flow pressure drop using Darcy-Weisbach equation. Includes friction factor calculation with Colebrook equ
Calculate flow velocity, pipe sizing, and recommended velocity limits for liquid and gas piping systems.
Calculate hoop stress, longitudinal stress, and combined stress in pressurized piping per ASME B31.
Calculate thermal expansion of piping, required loop size, and expansion joint travel for piping design.
Calculate new flow, head, and power when changing pump speed or impeller diameter using affinity law relationships.
Calculate Net Positive Suction Head Available (NPSHa) and compare to required (NPSHr) for cavitation prevention.
Calculate Reynolds number, flow regime classification, and entrance length for internal pipe flow and external flow.
Calculate valve flow coefficient (Cv) for liquids, gases, and steam. Includes choked flow detection, valve characteristi
Calculate flow rate from venturi meter differential pressure reading using Bernoulli
Calculate pressure surge from sudden valve closure (water hammer) and wave propagation speed in pipes.
Calculate open channel flow rate over rectangular and V-notch (triangular) weirs for flow measurement.
Calculate boiler efficiency by direct and indirect methods, including stack losses and fuel consumption.
Calculate gas turbine (Brayton) cycle efficiency, work ratio, and back-work ratio for jet engines and power plants.
Calculate maximum theoretical efficiency, work output, and heat transfer for Carnot heat engine and refrigeration cycles
Calculate convection heat transfer with Nusselt number correlations for natural and forced convection. Includes fluid pr
Calculate cooling tower range, approach, effectiveness, and makeup water requirement for HVAC and industrial cooling.
Calculate ideal diesel cycle efficiency, cutoff ratio, work output, and mean effective pressure.
Calculate fin efficiency, heat transfer rate, and overall surface efficiency for extended surfaces (fins).
Calculate thermal conduction through flat walls, cylindrical pipes, spherical shells, and multi-layer composite walls. F
Heat exchanger design calculator using LMTD and NTU-effectiveness methods. Counterflow and parallel flow configurations
Calculate heat sink thermal resistance, fin array performance, and required airflow for electronics cooling.
Calculate pipe and vessel insulation thickness, heat loss, economic thickness, and surface temperature. Includes compreh
Calculate log mean temperature difference and required heat exchanger area for parallel and counter-flow configurations.
Calculate heat exchanger effectiveness using the NTU method when outlet temperatures are unknown.
Calculate ideal Otto cycle (spark-ignition engine) efficiency, work output, and mean effective pressure.
Calculate thermal radiation exchange between surfaces using Stefan-Boltzmann law and view factors.
Calculate ideal Rankine steam power cycle efficiency, work ratio, and steam rate for power plant analysis.
Calculate COP, cooling capacity, compressor work, and refrigerant flow rate for vapor compression refrigeration.
Calculate condensate load, trap capacity, and flash steam percentage for proper steam trap selection.
Calculate thermal expansion for pipes, bridges, rails, and structures. Includes linear and volumetric expansion, thermal
Calculate thermal fatigue life from cyclic temperature loading using Coffin-Manson and Taira approaches.
Calculate total thermal resistance and heat flow through series and parallel thermal resistance networks.
Calculate thermal stresses in constrained members, bi-metal strips, and temperature-gradient loaded components.
Calculate solidification time using Chvorinov
Calculate CNC milling spindle speed, feed rate, and chip load from cutting parameters and tool geometry.
Calculate spindle RPM, feed rate, metal removal rate, and machining time for turning, milling, and drilling.
Calculate drill spindle speed, feed rate, thrust force, and torque for through-hole and blind-hole drilling.
Calculate material removal rate, electrode wear, and surface roughness for electrical discharge machining.
Calculate required forging force for open-die and closed-die forging operations using slab analysis.
Calculate grinding power, specific energy, and material removal rate for surface and cylindrical grinding.
Calculate clamping force, shot size, cycle time, and part cost for plastic injection molding operations.
Calculate cutting forces, torque, and power for face milling and end milling operations.
Calculate bend allowance, bend deduction, K-factor, and developed (flat) length for sheet metal fabrication.
Calculate required press force for blanking, piercing, deep drawing, and bending of sheet metal parts.
Calculate theoretical surface roughness Ra from machining parameters and convert between Ra, Rz, and CLA values.
Calculate tool life using Taylor
Calculate cutting forces, power, and torque for CNC and manual lathe turning operations.
Calculate centrifugal force, centripetal acceleration, and tangential velocity for rotating systems.
Calculate permissible residual unbalance per ISO 1940-1, correction weights, and centrifugal forces for rotating machine
Calculate G-force from counter-rotating eccentric weights. Design vibrating screens, shale shakers, and vibratory feeder
Calculate steady-state amplitude, phase angle, and transmissibility for harmonically excited SDOF systems.
Calculate natural frequency, period, and damped response of single degree-of-freedom spring-mass-damper systems.
Calculate centrifugal G-force from RPM and radius. Determine acceleration, velocity, and required RPM for centrifuges, s
Calculate mass moment of inertia for common solid shapes: cylinder, sphere, cone, disk, and rectangular prism.
Calculate natural frequency, critical speed, damping ratio, and isolation efficiency for mechanical systems. SDOF, shaft
Calculate range, max height, time of flight, and trajectory for projectile motion problems.
Calculate critical speeds, unbalance response, and whirl amplitude for rotating machinery per API 617.
Calculate required RPM to achieve a target G-force at any radius. Reverse G-force calculator for centrifuge and rotating
Calculate shaft critical speed using Rayleigh method and Dunkerley
Calculate torsional natural frequency and critical speed for shaft systems with multiple disks.
Calculate G-force for vibrating screens from stroke length and frequency. Includes motor power calculator, throughput es
Calculate vibration isolator stiffness, natural frequency, and transmissibility for machine mounting systems.
Assess machinery vibration severity per ISO 10816 standards. Convert between displacement, velocity, and acceleration. D
Calculate work, kinetic energy change, and required force/power using the work-energy theorem.
Calculate centrifuge separation efficiency using Stokes law, sigma factor, residence time, and particle settling velocit
Calculate chain hoist pull force, mechanical advantage, and lifting speed for manual and electric hoists.
Complete compressor calculator with power requirements, multi-stage compression, air receiver tank sizing, volumetric ef
Calculate crane lifting capacity based on boom length, radius, and load chart derating for mobile cranes.
Calculate required motor power, torque, and frame size considering service factor, duty cycle, and efficiency.
Complete fan and blower calculator with fan laws, system curve analysis, performance curves, operating point determinati
Calculate gas turbine power output, heat rate, and efficiency with compressor and turbine isentropic efficiencies.
Calculate generator kVA rating, fuel consumption, and load capacity for standby and prime power applications.
Calculate bladder/piston accumulator size for energy storage, shock absorption, and pulsation dampening.
Calculate hydraulic cylinder force, speed, flow requirements, and rod buckling. Supports single-acting, double-acting, a
Calculate hydraulic pump flow, motor power, reservoir size, and heat generation for hydraulic systems.
Calculate motor torque and power requirements, acceleration time, and reflected inertia through gearboxes for electric m
Calculate pneumatic cylinder extension/retraction forces and air consumption per stroke.
Calculate air consumption, compressor capacity, receiver size, and pipe diameter for pneumatic systems.
Calculate pump head, hydraulic power, shaft power, and NPSH available. Includes efficiency input, motor sizing recommend
Calculate piston displacement, volumetric efficiency, capacity, and power for reciprocating gas compressors.
Calculate scissor lift actuator force, mechanical advantage, and platform height for elevating work platforms.
Calculate screw conveyor capacity, power requirement, and torque for material transport systems.
Calculate wire rope breaking strength, safe working load, D/d ratio, and bending fatigue life.
Calculate corrosion rate from weight loss data, convert between mpy, mm/yr, and estimate remaining life.
Estimate creep rupture life using the Larson-Miller parameter for high-temperature service of metals.
Calculate fatigue life using S-N approach, Goodman diagram analysis, endurance limit with Marin factors. High-cycle fati
Calculate fatigue stress concentration factor (Kf) from geometric Kt using Peterson
Calculate gauge repeatability and reproducibility (%GRR) to assess measurement system capability.
Calculate true position deviation, bonus tolerance, and acceptance status per ASME Y14.5 geometric tolerancing.
Convert between Brinell (HB), Rockwell C (HRC), Vickers (HV), and approximate tensile strength for steels.
Compare material yield and tensile strength against applied stress with safety factor for common engineering materials.
Calculate combined and expanded measurement uncertainty from multiple uncertainty sources using GUM method.
Estimate fatigue life from S-N curve parameters using modified Goodman or Soderberg criteria for fully-reversed and mean
Calculate stress intensity factor (K), critical crack size, and fracture toughness assessment for Mode I loading.
Calculate required air receiver tank volume for compressed air systems based on demand, pressure, and cycle time.
Calculate cable sag, tension, and length for overhead cables and suspended wire systems using catenary equations.
Calculate contact stress, contact width, and approach distance for cylinder-on-cylinder and sphere-on-sphere contact usi
Calculate duct size, air velocity, and friction loss for HVAC ductwork design using equal friction method.
Calculate overall drivetrain efficiency from individual component efficiencies in series power transmission.
Calculate volumes for horizontal and vertical cylindrical tanks, spherical tanks, and tanks with dished heads.
Calculate torque arm reaction forces, mounting bolt loads, and reaction torque for motors, gearboxes, and rotating machi
Convert between torque, power, and rotational speed in various units (N·m, kW, HP, ft·lbf, rpm).