Online Engineering Calculators and Equation Tools Free

Mechanical Design, Manufacturing and Engineering Calculators and Equations

All Calculators Require a JAVA Enabled Browser. More Information

Note:

Many of the links first open an equations web page. Look for the the "Calculators" link to open the actual calculator application.
Not all web page actually open to a calculator at this time, however there will be the associated calculator in the near future.
If you have any engineering calculator suggestions, please use Engineers Edge feedback form --> Feedback

** TIP: To search this webpage, select "ctrl + F" then type in keyword within the pop-up box. **

Structural Deflections and Stress Menu

In-Plane Loading of Elastic Frames Deflection and Reaction Equations and Calculators for

Concentrated Load on the Horizontal Member Elastic Frame Equations and Calculator
Distributed Load on the Horizontal Member Elastic Frame Deflections Equations and Calculator
Frame Deflections with Concentrated Moment Applied on Horizontal Member Equations and Calculator
Frame Deflections with Concentrated Angular Displacement Applied on Horizontal Member Calculator
Frame Deflections with Concentrated Lateral Displacement Applied on Horizontal Member Equations and Calculator
Frame Deflections with Concentrated Load Applied to Vertical Member Equations and Calculator
Frame Deflections with Distributed Load Applied to Left Vertical Member Equations and Calculator
Frame Deflections with Concentrated Moment Applied to Left Vertical Member Equations and Calculator
Frame Deflections with Concentrated Angular Displacement Applied to Left Vertical Member Equations and Calculator
Frame Deflections with Concentrated Lateral Displacement Applied to Left Vertical Member Equations and Calculator
Frame Deflections with Concentrated Load Applied to Right Vertical Member Equations and Calculator
Frame Deflections with Distributed Load Applied to Right Vertical Member Equations and Calculator
Frame Deflections with Concentrated Moment Applied to Right Vertical Member Equations and Calculator
Frame Deflections with Concentrated Angular Displacement Applied Right Vertical Member Equations and Calculator
Frame Deflections with Concentrated Lateral Displacement Applied Right Vertical Member Equations and Calculator
Frame Deflections with Uniform Temperature Rise Equations and Calculator
Frame Deflections with Uniform Temperature Differential Between Outside and Inside Equations and Calculator
Frame Deflections with Concentrated Load on the Horizontal Member Equations and Calculator. Left vertical member guided horizontally, right end pinned.
Distributed Load Elastic Frame Deflection Left Vertical Member Guided Horizontally, Right End Pinned Equation and Calculator.
Concentrated Moment on the Horizontal Member Elastic Frame Deflection Left Vertical Member Guided Horizontally, Right End Pinned Equation and Calculator.
Concentrated Angular Displacement on the Horizontal Member Elastic Frame Deflection Left Vertical Member Guided Horizontally, Right End Pinned Equation and Calculator.
Concentrated Lateral Displacement on the Horizontal Member Elastic Frame Deflection Left Vertical Member Guided Horizontally, Right End Pinned Equation and Calculator.
Concentrated load on the Left Vertical Member Elastic Frame Deflection Left Vertical Member Guided Horizontally, Right End Pinned Equation and Calculator.
Distributed Load on the Left Vertical Member Elastic Frame Deflection Left Vertical Member Guided Horizontally, Right End Pinned Equation and Calculator
Concentrated Moment on the Left Vertical Member Elastic Frame Deflection Left Vertical Member Guided Horizontally, Right End Pinned Equation and Calculator
Concentrated Angular Displacement on Left Vertical Member Elastic Frame Deflection Left Vertical Member Guided Horizontally, Right End Pinned Equation and Calculator
Concentrated Lateral Displacement on Left Vertical Member Elastic Frame Deflection Left Vertical Member Guided Horizontally, Right End Pinned Equation and Calculator.
Concentrated Load on Right Vertical Member Elastic Frame Deflection Left Vertical Member Guided Horizontally, Right End Pinned Equation and Calculator.
Stress from Drop Load of Beam Supported on Both Ends and Struck in the Center.
Stress from Drop Load of Beam Fixed on one End and Struck at the Other End Equations and Calculator.
Stress from Drop Load of Beam Fixed on Both Ends and Struck at Center Equations and Calculator.

Plate Deflection and Stress Equations and Calculators

Circular plate, uniform load, edges simply supported equation and calculator
Circular plate, uniform load, edges clamped equation and calculator
Circular Plate Concentrated Load Floating Equation and Calculator
Circular Plate Concentrated Load Edges Simply Supported Equation and Calculator
Flat Rectangular Plate with All Edges Simply Supported Stress and Deflection with straight boundaries and constant thickness Equation and Calculator Roark's Stress Strain
Flat Rectangular Plate with All Edges Simply Supported Stress and Deflection with circular Load applied at center Equation and Calculator.
Flat Rectangular Plate Uniform Loading over Central Rectangular Area Stress Equation and Calculator
Flat Rectangular Plate Uniformly Increasing Loading Along Length Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain Formulas for flat plates with straight boundaries and constant thickness
Flat Rectangular Plate Uniformly Increasing Loading Along Width Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain Formulas for flat plates with straight boundaries and constant thickness
Flat Rectangular Uniform over entire plate plus uniform tension or compression P lb/linear in applied to short edges Stress and deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain Formulas for flat plates with straight boundaries and constant thickness
Flat Rectangular Uniform over entire plate plus uniform over entire plate plus uniform tension P lb=linear in applied to all edges Stress and deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain Formulas for flat plates with straight boundaries and constant thickness
Flat Rectangular Plate; Three Edges Simply Supported, one Edge (b) Free Stress and Deflection With Uniform Force over Entire Plate Equation and Calculator. Per. Roarks Formulas for Stress and Strain Formulas for flat plates with straight boundaries and constant thickness
Flat Rectangular Plate; Three Edges Simply Supported, one Edge (b) Free Stress and Deflection With Uniformly increasing along the a side Equation and Calculator.
Flat Rectangular Plate; Three Edges Simply Supported, one Edge Fixed Stress and Deflection With Uniformly increasing along the a side Equation and Calculator. Per. Roarks Formulas for Stress and Strain.
Flat Rectangular Plate; two long edges simply supported, two short edges fixed Uniform loading over entire plate Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain Formulas
Flat Rectangular Plate; two long edges fixed, two short edges simply supported Uniform loading over entire plate Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain Formulas
Flat Rectangular Plate; one edge fixed, opposite edge free, remaining edges simply supported Uniform loading over entire plate Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain Formulas
Flat Rectangular Plate; one edge fixed, opposite edge free, remaining edges simply supported loading 2/3 of plate from fixed edge Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain Formulas
Flat Rectangular Plate; one edge fixed, opposite edge free, remaining edges simply supported loading 1/3 of plate from fixed edge Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain Formulas
Flat Rectangular Plate; one edge fixed, opposite edge free, remaining edges simply supported loading Uniformly decreasing from fixed edge to free edge Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain Formulas
Flat Rectangular Plate; one edge fixed, opposite edge free, remaining edges simply supported loading Uniformly decreasing from fixed edge to zero at 2/3 b Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate; one edge fixed, opposite edge free, remaining edges simply supported loading Uniformly decreasing from fixed edge to zero at 1/3 b Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate; one edge fixed, opposite edge free, remaining edges simply supported loading distributed line load Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate; all edges fixed. Uniform loading over small concentric circle of radius r_o (note definition of r'_o) Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate; all edges fixed. Uniform Decreasing Loading Parallel to Side b Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate; all edges fixed. uniform loading over entire plate Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate, Three Edges Fixed, One Edge (a) Simply Supported Loading Over Entire Plate Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate; Three Edges Simply Supported, one long Edge Fixed Stress and Deflection With Uniform Loading over entire plate Equation and Calculator.
Flat Rectangular Plate, Three Edges Fixed, One Edge (a) Simply Supported Uniform Loading over 2/3 of plate from fixed edge Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate, Three Edges Fixed, One Edge (a) Simply Supported Uniform Loading over 1/3 of plate from fixed edge Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain for flat plates
Flat Rectangular Plate, Three Edges Fixed, One Edge (a) Simply Supported Loading Uniformly decreasing from fixed edge to simply supported edge Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain for flat plates
Flat Rectangular Plate, Three Edges Fixed, One Edge (a) Simply Supported Loading Uniformly decreasing from fixed edge to zero at 2/3b Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate, Three Edges Fixed, One Edge (a) Simply Supported Loading Uniformly decreasing from fixed edge to zero at 1/3b Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate, Three Edges Fixed, One Edge (a) Free Supported Loading Uniformly Over Entire Plate Stress and Reaction Loading Equation and Calculator. Per. Roarks Formulas for Stress and Strain for flat plates
Flat Rectangular Plate, Three Edges Fixed, One Edge (a) Free Loading Uniformly decreasing from fixed edge to zero at free edge Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate, Three Edges Fixed, One Edge (a) Free Loading Uniformly decreasing from fixed edge to zero at 1/3b Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate, Three Edges Fixed, One Edge (a) Free Loading Uniformly decreasing from fixed edge to zero at 2/3b Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate, Three Edges Fixed, One Edge (a) Free Loading Uniform over 1/3 of Plate from Fixed Edge Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate, Two Edges Fixed, Two Edges Free Loading Uniform over Entire Plate Equation and Calculator. Per. Roarks Formulas for Stress and Strain for flat plates with straight boundaries and constant thickness
Flat Rectangular Plate, Two Edges Fixed, Two Edges Free Load Uniformly Decreasing from z = 0 to z = b Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate, Two Edges Fixed, Two Edges Free Uniform Loading over Plate from z = 0 to z = (2/3) b Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate, Two Edges Fixed, Two Edges Free Uniform Loading over Plate from z = 0 to z = (1/3) b Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate, Two Edges Fixed, Two Edges Free Load Uniformly Decreasing from z = 0 to z = (2/3) b Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Flat Rectangular Plate, Two Edges Fixed, Two Edges Free Load Uniformly Decreasing from z = 0 to z = (1/3) b Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Continuous Plate Supported at Equal Intervals "a" on Circular Supports of Radius r_o Uniform Loading of Entire Plate Stress Equation and Calculator. Per. Roarks Formulas for Stress and Strain for flat plates
Continuous Plate Supported on an Elastic Foundation of Modulus k (lb/in²/in) Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Continuous Plate Supported on an Elastic Foundation of Modulus k (lb/in²/in) Stress and Deflection Equation and Calculator. Uniform loading over a small circle of radius r_o, adjacent to edge but remote from corner. Per. Roarks Formulas for Stress and Strain
Continuous Plate Supported on an Elastic Foundation of Modulus k (lb/in²/in) Stress and Deflection Equation and Calculator. Uniform loading over a small circle of radius r_o, adjacent to corner. Per. Roarks Formulas for Stress and Strain
Parallelogram plate (skew slab) all edges fixed with uniform loading over entire plate Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Parallelogram plate (skew slab) all edges simply supported with uniform loading over entire plate Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Parallelogram plate (skew slab) shorter edges simply supported, longer edges free with uniform loading over entire plate Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Equilateral triangle; all edges simply supported with uniform loading over entire plate Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Right-Angle Isosceles Triangle; all edges simply supported with uniform loading over entire plate Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Regular polygonal plate; all edges fixed with uniform loading over entire plate Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Rectangular plate, uniform load, simply supported equations and calculator
Rectangular plate, uniform load, clamped (Empirical) equations and calculator
Rectangular plate, concentrated load at center, simply supported (empirical) equation and calculator
Rectangular plate, circular concentrated load at center, clamped edges (empirical) equation and calculator
Contact Stress Two Sphere's Equation and Calculator
Contact Stress Two Spheres in Contact Same Material
Contact Stress Sphere in Contact Flat Surface Equation
Contact Stress Two Rollers Equation and Calculator
Contact Stress Sphere on Concave Surface
Contact Stress Two Rollers Same Material Equation and Calculator
Contact Stress Roller Contact Flat Plane Equation and Calculator
Contact Stress Roller Contact Concave Surface Equation and Calculator
Shear Modulus of Rigidity Chart and Calculator
Single-Span Beam Deflection for Simple Propped, Fixed or Cantilever Beams. - Include Shear and Moment Diagram.
Fixed Pin Cantilever Beam Design Calculator
Flat Plate Deflection & Stress Calculator
Bolt Shear AISC Stress Calculator
Bolt Group Shear and Torsion in Fastened Members Excel Spreadsheet Calculator
Bolt Elongation Equation and Calculator while under Axial Stress
Bolt Joint Analysis S-N Diagram for Loading Excel Spreadsheet Calculator
Circular Plate Deflection, Moments and Stress
Axial Load Capacities Single Plates Calculator
Equation and Calculator Fixed and Supported Ends
Ideal Pinned Column Buckling Calculator
Cylinder Stress and Deflection with Applied Torsion
Stress Concentration Cylinder feature with Axial Loading
Tapered Snap Fit Beam Bending Equation and Calculator
Thin Wall Pressure Vessel Hoop Stress
Thin Wall Pressure Vessel Longitudinal Stress
Torsional Deflection of Cylinder
Torsional Deformation and Stress Solid Circular Section Equations and Calculator
Torsional Deformation and Stress Solid Elliptical Section Equations and Calculator
Solid Square Section Torsional Deformation and Stress Calculator and Equations
Torsional Deformation and Stress Solid Triangular Section Equations and Calculator
Torsional Deformation and Stress Solid Isosceles Triangle Section Equations and Calculator
Torsional Deflection of Solid Cylinder
Torsional Deflection of Hollow Cylinder
Torsional Deformation and Stress Solid Circular Segmental Section Equations and Calculator
Torsional Stress Calculator and Equations
Torsional Deformation and Stress Circular Segmental Section Equations and Calculator
Torsional Deformation and Stress Circular shaft with opposite sides flattened Equations and Calculator.
Torsional Deformation and Stress Concentric Circular Section Equations and Calculator. Torsional deflection and stress of a pipe.
Torsional Deformation and Stress Eccentric Hollow Circular Section Equations and Calculator
Torsional Deformation and Stress Hollow Elliptical Section Equations and Calculator
Torsional Deformation and Stress Elliptical Hollow thin-walled section of uniform thickness Equations and Calculator
Torsion Deformation and Stress Hollow Rectangle Thin Wall Tube Section Equations and Calculator
Torsional Deformation and Stress Thin Circular Open Tube of Uniform Thickness Section Equations and Calculator
Torsional Deformation and Stress Any Thin Open Tube of Uniform Thickness Calculator
Torsional Stiffness Cylindrical Solid Shaft Equations and Calculator
Torsional Stiffness Hollow Shaft Equations and Calculator
Torsional Stiffness of Rectangular Plate Equations and Calculator
Torsional Stiffness of Any Solid Section Equations and Calculator
Torsion Applied Deformation and Stress of any elongated section with axis of symmetry OX; Equations and Calculator
Torque Applied Deformation and Stress of a Trapezoid Equations and Calculator
Torque Applied Deformation and Stress of a T-Section Equations and Calculator
Torque Applied Deformation and Stress of a L-Section Equations and Calculator
Torque Applied Deformation and Stress of a I Beam Section Equations and Calculator
Torque Applied Deformation and Stress of a C Beam Section Calculator
Torque Applied Deformation and Stress of a Shaft with Keyway Equations and Calculator
Torque Applied Deformation and Stress of a Shaft with Two Keyways Equations and Calculator
Torque Applied Deformation and Stress of a Shaft with Four Keyways Equations and Calculator
Torque Applied Deformation and Stress of a Shaft with One Spline Equations and Calculator
Torque Applied Deformation and Stress of a Shaft with Two Splines Equations and Calculator
Torque Applied Deformation and Stress of a Shaft with Four Splines Equations and Calculator
Torque Applied Deformation and Stress of a Pinned Shaft Equations and Calculator
Torque Applied Deformation and Stress of a Two Grooved Pinned Shaft Equations and Calculator
Torque Applied Deformation and Stress of a Four Grooved Pinned Shaft Equations and Calculator
Torsional Deformation and Stress of a Cross Shaft Equations and Calculator
Shear Stress in Shafts Calculator
Principal and Von-Mises Stress Equations and Calculator
Mohr's Circle Equation and Calculator
Static's Force Analysis for Cylinder Supported by Two Rollers Equation and Calculator
Engineering 2D and 3D Static's Basics Equations and Calculators
Two Block Shear Spring Design Equations and Calculator
Cylindrical Shear Spring with axial load applied design equations and calculator
Cylindrical Torsion spring with torque applied design equations and calculator
Flat spring cantilevered design equations and calculator
Flat spring cantilevered design triangular geometry equations and calculator
Tapered Flat spring cantilevered design equations and calculator
.

Check out Engineers Edge Professional Grade 3D Printer Filament!

Section Properties Selected Shapes

Polar Moments of Inertia Equations and Calculators

Vibration Design and Engineering

Machine Design and Engineering

Gear and Gear Train Systems Engineering and Design

AGMA Worm and Spur Gear Design Equations and Calculators Worm gear sets are generally rated by their capacity to handle a particular level of input power, output power, or allowable torque at a particular speed for the input or output shaft.
AGMA Wormgear Equations For Rating Factors Calculators Values for the ratio correction factor, the velocity factor, and materials factors can be found from tables provided in the ANSI/AGMA 6034-B92 standard.
AGMA Spur Gear Bending Stress Equation and Spread Sheet (1999) The AGMA* spur gear bending method can be viewed as a detailed refinement of the Lewis method.
Automotive Transmission Gear Ratio Equation and Calculator Resultant vehicle speed at knownengine rpm
Ball Screw Design Equations and Selection Criteria A ball screw transforms rotational motion into transitional motion. As a result, the shaft is subject to loads:
Centrifugal Force Calculations of Rotating Body When gear rotates about any axis other than one at its center of mass, it exerts an outward radial force called centrifugal force.
Flywheel Mass, Size Design Equations and Calculator The torque-angle relationship for an engine or machine depends on the the amount of work required.
Gear Pitch Conversions The following charts convert gear pitch dimensional data to the following: Diametral Pitch Module Circular Pitch
Gear Equations, Calculators and Formula Spur Gear design formula for geometry, pitch, tooth clearance and critical functional data.
Gears Spur and Helical Gears Calculation of Load Capacity
Gear Tooth Strength Calculation and Equation Design guidelines for determining or estimating your required gear tooth strength.
Gear Motor Transmission Inertia Drive Calculator and equations
Hertz Gear Tooth Contact Stress Equation and Calculator The transfer of power between gears takes place at the contact between the acting teeth. The stresses at the contact point can be computed by means of the theory of Hertz.
Helical Plastic Gears Rated Design Hp, Operating Stress Equations and Calculator
Helical Gear and Pinion Calculator and Equations This calculator will determine the following design variables for a gear and pinion.
Plastic Straight Bevel Gears Rated Design Hp, Operating Stress Equations and Calculator
Helical Gear and Pinion Calculator and Equations This calculator will determine the following design variables for a gear and pinion.
Helical Plastic Gears Rated Design Hp, Operating Stress Equations and Calculator
Helical Gears Shafts Parallel, Center Distance Exact Design Equations and Calculator
Helical Gears Shafts Parallel, Center Distance Approximate Design Equations and Calculator
Helical Gears Shafts at Right Angles Design Equations and Calculator
Involute Spline per ANSI B92.1 Equations These splines or multiple keys are similar in form to internal and external involute gears.
Involute Spline and Serration Universal Design Calculator Involute Spline and Serration Design Calculator for the following engineering standards:
Involute Gear Design Equations and Calculator Equations and engineering design calculator to determine critical design dimensions and features for an involute gear
Lewis Factor Equation Lewis factor Equation is derived by treating the tooth as a simple cantilever and with tooth contact occurring at the tip as shown above.
Phenolic Laminated Gears Stress Design Formulas and Calculator
Keyway Stresses for Non-metallic (phenolic laminated materials ) Gears Formulas and Calculator
Power Screw Design Equations and Calculator
Gear Ratio Equations and Calculators of Planetary or Epicyclic Gear Assemblies Gear Ratio Equations and Calculators
Screw Gear Axial Force Calculation Axial thrust or load applied per the applied on a screw (worm gear) thread calculate the axial thrust of a nut.
Sleeve Shaft Coupling Design Equations and Calculator and Equations
Spline Engineering Design Formula ISO 5480standard applies to splined connections with involute splines based on reference diameters for connecting hubs and shafts..
Spur Gear Design Calculator Tool Equation and calculator to determine spur gear design details
Spur Gears Force Analysis Equation and Calculator
Synchronous Timing Belt Torque Rating Equation and Calculator per. ANSI RMA IP-24 for small pitch MXL section belts
Synchronous Timing Belt Horsepower Rating Equation and Calculator per. ANSI RMA IP-24
Three Gears Ratios, Force Equations and Calculator
Gear Design for Known Center Distance and Ratio Calculator and Equation
Worm and Wormgear Design Equations and Calculator
Wormgear Sizing Equations and Calculator

Heat Transfer Engineering

Convective Heat Transfer Convection Equation and Calculator
Vertical Parallel Plates Channel Natural Convection Equation and Calculator
Round Duct Heat Transfer Coefficient and Wall Temperature Equation and Calculator
Compression Tension Stress Linear Thermal Expansion Equation and Calculator
Heat Loss Through Enclosure Walls Equations and Calculations
Heat Loss from a Pipe
Heat Loss through a Insulated Pipe Equation and Calculator
Convection of Known Surface Area Calculator
Vertical Plate Natural Convection Equation and Calculator
Heat Sink Convection with Fins Calculator
Isothermal Square Rod Forced Air Convection Equation and Calculator
Isothermal Circular Rod Forced Air Convection Equation and Calculator
Forced Convection Heat Transfer Printed Circuit board with Components Equation
Forced Convection Entry Region Circular Pipe / Tube Equation and Calculator
Natural Convection of a Horizontal Concentric Cylinders Equation and Calculator
Flat Plate heat transfer coefficient and heat convected equation and calculator
Natural Convection of a Horizontal Cylinder Equation and Calculator
Selecting a Heat Sink for a Transistor Equation and Calculator
Heat Conduction through a Wall Equation and Calculator
Counter & Parallel Flow Heat Exchanger Calculator
Heat Loss from a Ducts Equations and Calculator
Heat Radiation of a Surface Calculator
Heat Loss Through Enclosure Walls Equations and Calculator
Heat Loss Through a Wall Equation and Calculator
Heat Loss From an Insulated Electric Wire Equation and Calculator
HVAC Heating, Ventilation and Air Conditioning Load Calculator - Membership required to download
HVAC Air Handling Unit Design Excel Calculator
Maximum Power Dissipation of a Transistor Equation and Calculator
Linear Thermal Expansion Equation and Calculator
Heat Loss through Aluminum Framed Window Equations and Calculator
Heat Loss through a Single-Pane Window Equation and Calculator
Heat Loss through a Double-Pane Window Equation and Calculator
Isothermal cylinder of length L buried in a semi-infinite medium calculator
Conductive Heat Transfer Parallel Cylinders Equation and Calculator
Conductive Heat Transfer Cylinder of Length Equation and Calculator
Conductive Heat Transfer Square Solid Equation and Calculator
Conductive Heat Transfer Eccentric Cylinder Equation and Calculator
Conductive Heat Transfer Large Plane Equation and Calculator
Conductive Heat Transfer of a Cylindrical Pipe or Layer Equation and Calculator
Conductive Heat Transfer of a Spherical Layer Equation and Calculator
Conductive Heat Transfer of a Disk buried parallel to the surface
Conductive Heat Transfer of the edge of two adjoining walls of equal thickness
Conductive Heat Transfer Corner of three walls equal thickness equation and calculator
Conductive Heat Transfer Isothermal sphere buried medium equation and calculator
Conductive Heat Transfer of a Isothermal sphere buried in a semi-infinite medium at T₂ whose surface is insulated
Radiant Heat Exchange Parallel Flat Black Plates of Equal Size equation and calculator.
Radiant heat exchange for two parallel flat black plates of different sizes equation and calculator.
Radiant heat exchange for two parallel disks same size equations and calculator
Radiant heat exchange for two perpendicular surfaces same size equation and calculator
Thermal Conductivity Conversions Calculator

Electrical Electronics Design Calculators

IEEE 1584-2018 Equations and Calculators

Arc Flash Hazard Calculations Procedure and Considerations For Medium Voltage System
IEEE 1584-2018 Electrode Configuration in Equipment Identification
Intermediate Average Arcing Currents Equation and Calculator per IEEE 1584-2018
Arcing Current Variation Correction Factor Equation and Calculator per IEEE 1584-2018
Interpolation Equations and Calculator for Arcing Current per IEEE 1584-2018
Enclosure Size Equations and Calculator for Arcing Current per IEEE 1584-2018
Incident Energy (E) Equations and Calculator per IEEE 1584-2018 for E₆₀₀ , E₂₇₀₀ , E₁₄₃₀₀ and E _≤600 at Voc = 14 300 V (J/cm²)
Intermediate Arc-Flash Boundary Equations and Calculator for Arcing Current per IEEE 1584-2018
Final Arc Current Equations and Calculator per IEEE 1584-2018
Arc-Flash boundary (AFB) Equations and Calculator per IEEE 1584-2018
Determination of the Arc Duration per IEEE 1584-2018
Incident Energy (E) Equations and Calculator per IEEE 1584-2018

Manufacturing

Simple Mechanical Levers Calculators

Lever Case #1 Force Unknown
Lever Case #2 Distance Unknown
Lever Case #3 Force Unknown
Lever Case #4 Distance Unknown
Simple lever with weight between fulcrum and lifting force equations and calculators.
Simple lever with multiple weights outside fulcrum equations and calculators.

Spring Design

Friction Equations and Analysis

Civil Engineering

Bolt and Thread Installation Stress / Strength Design

Strain Gauge

Strain Gage Rosette Equations and Calculator applied to a specimen of a linear, isotropic material.
Three-Element Delta Rosette Strain Gage Equations and Calculator applied to a specimen of a linear, isotropic material.
Half Bridge Beam Bending Strain Gage
Full Bridge Beam Bending Strain Gage

Tolerance Analysis Utilizing Geometric Dimensioning Tolerancing GD&T and Other Principles

GD&T Training, GD&T symbols, dimensioning and tolerancing seminars, ASME Y14.5-2009 Training Seminars. Geometric Dimensioning and Tolerancing Training, GD and T Training.

Our trainer is certified per. ASME Y14.5 at the senior level GDTP and authored many GD&T reference books!

DFM DFMA Training!
Design for Manufacturability and Assembly Custom Training Onsite and Webinar

Motion Control Design

Pressure Vessel & Cylindrical Shape StructureDesign and Engineering Equations and Calculators

Cylindrical Pressure Vessel Uniform Axial Load Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Cylindrical Pressure Vessel Uniform Radial Load Equation and Calculator. Per. Roarks Formulas for Stress and Strain for membrane stresses and deformations in thin-walled pressure vessels.
Cylindrical Pressure Vessel Uniform Internal or External Pressure, Ends Capped Equation and Calculator. Per. Roarks Formulas for Stress and Strain for membrane stresses and deformations in thin-walled pressure vessels.
Cylinder Linearly Varying Radial Pressure Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Cylinder Stress and Deflection by Own Weight Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Cylinder Stress and Deflection Uniform rotation, ω rad/sec about central axis Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Cone Cylinder Stress and Deflection Filled to Depth with Liquid Tangential Edge Support Equation and Calculator. Per. Roarks Formulas for Stress and Strain for membrane stresses and deformations in thin-walled pressure vessels
Cone Cylinder Stress and Deflection due to own weight at tangential top edge support Equation and Calculator. Per. Roarks Formulas for Stress and Strain for membrane stresses and deformations in thin-walled pressure vessels.
Cone Cylinder Stress and Deflection by Tangential loading only; resultant load = P. Equation and Calculator. Per. Roarks Formulas for Stress and Strain for membrane stresses and deformations in thin-walled pressure vessels.
Truncated Cone Cylinder Stress and Deflection by Uniform loading on the horizontal projected area; tangential top edge support. Equation and Calculator. Per. Roarks Formulas for Stress and Strain for membrane stresses and deformations in thin-walled pressure vessels.
Spherical Cylinder Stress and Deflection by Uniform internal or external pressure, q force/unit area; tangential edge support Equation and Calculator. Per. Roarks Formulas for Stress and Strain for membrane stresses and deformations in thin-walled pressure vessels.
Spherical Cylinder Stress and Deflection Filled to depth d with liquid of density d force/unit volume; tangential edge support Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Spherical Cylinder Stress and Deflection Own weight, δ force/unit volume; tangential top edge support Equation and Calculator. Per. Roarks Formulas for Stress and Strain
Spherical Cylinder Stress and Deflection Tangential loading only; resultant load = P Equation and Calculator. Per. Roarks Formulas for Stress and Strain for membrane stresses
Spherical Cylinder Stress and Deflection Uniform loading, w force/unit area; on the horizontal projected area; tangential top edge support Equation and Calculator. Per. Roarks Formulas for Stress and Strain for membrane stresses and deformations in thin-walled pressure vessels.
Any smooth figure of revolution if R₂ is less than infinity Uniform internal or external pressure, q force/unit area; tangential edge support Stress and Deflection Equation and Calculator. Per. Roarks Formulas for Stress and Strain for membrane stresses and deformations in thin-walled pressure vessels.
Any smooth figure of revolution if R₂ is less than infinity Stress and Deflection Equation and Calculator. Filled to depth d with liquid of density δ force / unit volume; tangential edge support. W = weight of liquid contained to a depth y.
Any smooth figure of revolution if R₂ is less than infinity Stress and Deflection Equation and Calculator. Own weight, δ force/unit volume; tangential top edge support. W = weight of vessel below the level y.
Any smooth figure of revolution if R₂ is less than infinity Stress and Deflection Equation and Calculator. Tangential Loading Only, resultant load = P, Per. Roarks Formulas for Stress and Strain
Any smooth figure of revolution if R₂ is less than infinity Stress and Deflection Equation and Calculator. Uniform loading, w force/unit area, on the horizontal projected area; tangential top edge support Per. Roarks Formulas for Stress and Strain
Boiler Tubes Thickness Pressure Equation and Calculator
Piping, Drums, and Headers Pressure and Wall Thickness Equations and Calculator
Pressure Vessel Cone Geometry Design Calculator
Pressure Vessel Nozzle Design Tool Calculator
Dished Heads Equations and Calculator
Dished Hemispherical, Elliptical Head Formulae Equations and Calculator ASME Pressure Vessel Section I
Full-Hemispherical Head Calculator ASME Pressure Vessel Section I
Pressure Vessel Torispherical Head Wall and Pressure Calculator
Pressure Vessel Flanged Dish Head Design Tool Calculator
Pressure Vessel Elliptical Head Design
Thickness of Circumferential Shells Under Internal Pressure
Thickness of Longitudinal Stressed Shells Under Internal Pressure
Longitudinal Stress (Circumferential Joints)
Thickness of Ellipsoidal Head Under Internal Pressure
Thin Cylindrical Shells: Equations and Calculator ASME Pressure Vessel Code
Thick Cylindrical Shells Equations and Calculator ASME SECTION VIII
Buckling of Cylinder Plate Equations and Calculation
Pipe Shell Design Calculator Pressure Vessel
Reinforcement Pressure Vessel Wall Thickness Plate Equations and Calculator ASME Pressure Vessel Section VIII
Propane Tank Dimensional and Volume Data Calculator
Standard Size Steel Pipe Weights Calculator
Extra Strong (XS) Size Steel Pipe Weights Calculator
Double Extra Strong(XXS) Size Steel Pipe Weights Calculator
Pressure Piping Minimum Wall Thickness Equations and Calculator ASME I and ASME-ANSI B31
Floating Head Exchanger Design Spreadsheet Calculator Pressure Vessel AES Type
Storage Tank Design Spreadsheet Calculator per. API 650
Tube Sheet Design Spreadsheet Calculator per. API 650
Pressure vessel Flange Check Design Spreadsheet Calculator per. ASME Section VIII Div. 1 & TEMA 9th Edition
Cylindrical Shell Internal and External Pressure Vessel Spreadsheet Calculator
Pressure Vessel Skirt Support for Vertical Column Design Spreadsheet Calculator
Lifting Lug Design Spreadsheet Calculator
Collar Bolt Flange Pressure Vessel Spreadsheet Calculator

Fluids

Sheet Metal Bend Allowance

Plastic Snap Fit

Snap Fit Straight Finger Strain
Snap Fit Tapered Finger Strain
Tapered Snap Fit Beam Bending Equation and Calculator
Plastic Post and Hub Press Fit Equations / Calculator
Plastic Screw Design Equations and Calculator Theoretical equations to calculate the strength of plastic screwed joints.

Conversions, Fluids, Torque, General

Triangle / Trigonometry Solutions

Financial & Misc.

Welding Design and Engineering Data Calculators Main Menu

Engineering Physics

Date/Time: