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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.
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Structural Deflections and Stress Menu

• Axial Load Capacities for Single Plates Calculator
• Beam Bending Equations / Calculation Supported on Both Ends Uniform Loading
• Beam Bending Equations / Calculation Supported on Both Ends Single Load at Center
• Beam Bending Equations / Calculation Supported on Both Ends Loaded at any Location
• Beam Bending Equations / Calculation Free and Guided on One End, Rigid one End With Uniform Load
• Beam Bending Equations / Calculation Supported on Both Ends With Overhanging Supports of equal Length and Equal Loads
• Beam Bending Equations / Calculation Supported on Both Ends Loaded Two equal Loads
• Beam Bending Equations / Calculation with Ends Overhanging Supports and a Two Equal Loads applied at Symmetrical Locations
• Beam Bending Equations / Calculation with End Overhanging Supports and a Single Load
• Beam Bending Equations / Calculation Cantilevered Beam with One Load Applied at End
• Beam Bending Equations / Calculation Cantilevered Beam with Uniform Load
• Beam Bending Equations / Calculation Supported on One End, Rigid one End With Uniform Load
• Beam Bending Equations / Calculation Cantilevered Beam with Load at Location Between Support and Load
• Beam Bending Equations / Calculation Free and Guided on One End, Rigid one End With Single Load
• Beam Stress & Deflection Equations / Calculation - Both Ends Overhanging and Supported Unsymmetrical with Uniform Load
• Beam Stress Equations / Calculation - Both Ends Overhanging Supports, Load at any Point Between
• Structural Beam Bending Stress & Deflection Equations / Calculation - Fixed at One End, Supported at the Other, Load at Center
• Beam Stress Deflection Equations / Calculation - Fixed at One End, Supported at the Other, Load at any Point
• Beam Stress Deflection Equations / Calculation - Fixed at Both Ends, Load at Center
• Beam Stress Deflection Equations / Calculation - Fixed at Both Ends, Load at any Location
• Beam Stress Deflection Equations / Calculation with Uniform Loading
• Beam Bending Stress Deflection Equations / Continuous Beam, with Two Unequal Spans, Unequal, Uniform Loads
• Beam Stress Deflection Equations / Calculation - Continuous Beam, with Two Equal Spans, Uniform Load
• Beam Stress Defection Simply Supported on Both Ends Under Superimposed Loading Equations
• Deflection, Shear and Stress Equations and calculator for a Beam supported One End Cantilevered with Partial Distributed Load
• Beam Deflection, Shear and Stress Equations and calculator for a Beam supported One End Cantilevered with Tapered Load
• Beam Deflection, Shear and Stress Equations and calculator for a Beam supported One End Cantilevered with Reversed Tapered Load
• Beam Deflection, Shear and Stress Equations and Calculator for a Beam supported One End Cantilevered with Limited Tapered Load
• Beam Deflection, Shear and Stress Equations and Calculator for a Beam supported One End Cantilevered with Reversed Limited Tapered Load
• Beam Supported One End, Pin Opposite End and Partial Distributed Load Deflection, Shear and Stress Equations and Calculator
• Beam supported One End, Pin Opposite End and two Partial Distributed Load Separated.
• Equations and Calculator for a Beam supported One End, Pin Opposite End and One Tapered Distributed Load
• Beam Deflection, Shear and Stress Equations and Calculator for a Beam supported One End, Pin Opposite End and Two Tapered Distributed Load
• Flexural Strengthening of Reinforced Concrete Beam with FRP Laminates Spreadsheet Calculator
• Shear and Stress Equations and Calculator for a Beam supported One End, Pin Opposite End and Triangular Distributed Load
• Calculator for a Beam supported One End, Pin Opposite End and Single Moment at End Applied
• Stress Equations and Calculator for a Beam supported One End, Cantilevered at Defined Location and Single Load at End
• Stress Equations and Calculator for a Beam supported One End, One End, Cantilevered at Defined Location and Distributed Load Between Supports
• Stress Equations and Calculator for a Beam supported One End, Cantilevered at Defined Location and Single Load Between Supports
• Stress Equations and Calculator for a Beam Supported One End, Cantilevered at Defined Location and Single Moment Applied at End
• Stress Equations and Calculator for a Beam Supported One End, Cantilevered at Defined Location and Uniform loading Applied
• Stress Deflection Equations and Calculator Beam Supported Uniform loading Applied on Cantilevered End
• Stress Deflection Equations and Calculator Beam Supported Uniform loading Applied
• Stress Deflection and Moment Equations and Calculator Beam Supported Uniform loading Applied
• Stress Deflection Moment Equations and Calculator Beam Supported Partial Uniform loading Applied
• Stress Deflection Moment Equations and Calculator Beam Supported Partial Tapering Load Applied Equation and Calculator
• Stress Deflection Strain Equations and Calculator Beam Supported Tapering Load Applied
• Stress Deflection Strain Moment Equations and Calculator Beam Supported Partial Tapering Load Applied
• Beam Stress & Deflection Equations / Calculator Free and Guided on One End
• Beam Stress & Deflection Equations / Calculator Moment Applied at Defined Location
• Beam Stress Deflection Equations / Calculator with Partial Uniform Loading
• Beam Stress Deflection Equations / Calculator with Partial Tapering Loading
• Beam Stress Deflection Equations / Calculator with Fixed Ends Tapering Loading
• Beam Stress Deflection Equations / Calculator with Fixed Ends Moment Applied
• Beam Parabolic Deflection Equation Calculator with Variable Shape
• Beam Cubic Parabola Shape Deflection Equation Calculator with Variable Shape Fixed End Single Concentrated Force Applied
• Combined Stress Circular Cantilever Beam in Direct Compression and Bending Equations and Calculator
• Combined Stress Circular Cantilever Beam in Direct Tension and Bending Equations and Calculator
• Combined Rectangular Cantilever Beam in Direct Compression and Bending Equations and Calculator
• Combined Rectangular Cantilever Beam in Direct Tension and Bending Equations and Calculator
• Combined Loading on Circular Beam or Shaft in Direct Compression and Bending Equation and Calculator
• Combined Loading on Circular Beam or Shaft in Direct Tension and Bending Equation and Calculator
• Combined Loading on Rectangular Beam or Shaft in Direct Compression and Bending Equation and Calculator
• Combined Loading on Rectangular Beam or Shaft in Direct Tension and Bending Equation and Calculator
• Combined Loading on Circular Shaft in Direct Compression and Torsion Equation and Calculator
• Combined Loading on Circular Shaft in Direct Tension and Torsion Equation and Calculator
• Combined Loading on Offset Link, Circular Cross Section, in Direct Tension Equation and Calculator
• Combined Loading Offset Link, Circular Cross Section, in Direct Compression Equation and Calculator
• Combined Loading Offset Link, Rectangular Section, in Direct Tension Stress Equation and Calculator
• Combined Loading Offset Link, Rectangular Section, in Direct Compression Stress Equation and Calculator

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
• 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 Elongation Equation and Calculator while under Axial Stress
• 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 Circlar 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
• 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
• Statics Force Analysis for Cylinder Supported by Two Rollers Equation and Calculator
• Engineering 2D and 3D Statics 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

Section Properties Selected Shapes

• Steel W & S Flange Beam and Column Analysis / Code Check Calculator
• Section Modulus - Plastic Section Modulus (PNA)
• Section Properties Square at Center
• Section Properties Square Rotated 45 Deg at Center
• Section Properties Square at Edge
• Section Properties Square Tube at Center
• Section Properties Square Tube Rotated 45 Deg @ Center
• Section Properties Rectangle at Center
• Section Properties Rectangle @ Edge
• Section Properties Rectangle Through Corners
• Engineering Section Properties: Rectangle @ Specified Angle
• Parabolic Spandrel Section Properties Equation and Calculator
• Section Properties Rectangle Tube at Center
• Section Properties Round at Center
• Section Properties Tube/Pipe at Center
• Section Properties Half Round
• Section Properties Half Round Tube
• Section Properties Hexagon at Center
• Section Properties Hexagon Thru Corners
• Section Properties of Parallelogram Equation and Calculator:
• Section Properties Trapezoid
• Section Properties Octagon
• Section Properties Triangle
• Section Properties Triangle At Edge
• Section Properties Half Triangle
• Section Area Moment of Inertia Properties Oblique Triangle
• General Equation and Calculator Mass Moment of Inertia
• Hollow Cylinder Mass Moment of Inertia
• Rectangular Plane Mass Moment of Inertia Calculator
• Rectangular Plate Mass Moment of Inertia Calculator on Edge
• Solid Shaft Cylinder Equation and Calculator Mass Moment of Inertia
• Solid Sphere Cylinder Equation and Calculator Mass Moment of Inertia
• Thin Sphere Cylinder Equation and Calculator
• Thin Wall Shaft Mass Moment of Inertia
• Cored Laminate Composite Stiffness Calculator

Polar Moments of Inertia Equations and Calculators

• Polar Moment of Inertia, Polar Section Modulus Common Shapes
• Polar Mass Moment of Inertia About Axis A-A, Axis B-B and Axis C-C.
• Flywheel Effect Plar Moment of Inertia
• Weld Fillet polar moment of Inertia

Machine Design and Engineering

• Angular Radial Contact Ball Bearings Static Load Rating Calculator
• Bearing Fatigue Life Calculator #1
• Bearing Fatigue Life Calculator #2
• Braking Torque Equation and Calculator
• Centrifugal Force Capacity Retaining Snap Rings
• Centrifugal Force Equations and Calculator
• Centripetal Acceleration Equations and Calculator
• Critical Speeds and Deflection of Rotating Shafts Equation and Calculator
• Crossed Belt Friction Belt Drive Calculator
• Collar Bearing Pivot Friction Equation and Calculator
• Conical Pivot Friction Equation and Calculator
• Gasket Compression Fastener Spacing Design Equation Calculator
• Inclined Wedge Force and Friction Equation and Calculator
• Inclined Wedge Force and Friction Equation and Calculator #2
• Flywheel Mass, Size Design Equations and Calculator
• Forces to Pull Weight up Inclined Plane with and without Friction Equation and Calculator #3
• Forces to Pull Weight up Inclined Plane with and without Friction Equation and Calculator #4
• Shaft and Journal Pivot Friction Equation and Calculator
• Shaft Flat Pivot Friction Equation and Calculator
• Truncated Cone Friction Equation and Calculator
• Disk and Drum Brake Equations and Calculator
• Flat Belt Length Distance Calculator
• Gear Motor and Transmission Inertia Estimator Calculator
• Gear Tooth Strength Calculator
• Gear Ratio Equations and Calculators (24 cases)
• Spur Gear Design Calculator Tool
• Gear Design for Known Center Distance and Ratio Calculator and Equation
• Involute Spline and Serration Universal Design Calculator
• Helical Gear and Pinion Calculator and Equations
• Screw jack application equations and calculator
• Power Screw Buckling and Deflection Equations and Calculator
• Magnetic Lifting Force Equation and Calculator
• Power Screw Design Equations and Calculator
• Press Fit Engineering and Design Calculator
• Rolling Resistance Equation and Calculator
• Scissor Lift Jack Force Bottom Load Calculator
• Scissor Lift Jack Force Center Load Calculator
• Sliding Contact Bearing Efficiency on Supported Pulley
• Sling Lifting Capacity and Loading Calculator
• Solid Rigid Shaft to Shaft Couplings Design Equations and Calculator
• Tire Traction Breakaway Equation and Calculator
• Tire Traction Force Equation and Calculator
• Open Vehicle Forces Calculator
• Three Gears or Pulleys Force Calculations and Equations
• Large and Small Diameter Lifting Pulley / Drum Equation and Calculator
• Air Resistance Force to Vehicle Forward Motion Equation and Calculator
• Power Take-Off (PTO) on Transfer Case Rotational Speed Per Distance Traveled (meter) Equations and Calculators
• Rolling Resistance Force of Tire and Contacting Surface.
• Transmission Gear Ratio Equation and Calculator
• Vehicle Forces For Driving Up Slope Calculator
• Vehicle Speed on basis of engine rpm, tire size and gear ratios equations and calculator
• Vehicle Hill Climbing Gradability taking into Account Road Tire Adhesion Equation and Calculator
• Vehicle Turning Circle Design and Engineering Equations and Calculators
• Distance traveled on uphill or downhill gradients Equation and Calculator
• Rigid Drawbar Trailers / Central Axle Trailers Loading Equations and Calculators
• Fifth Wheel Coupling Loading Equations and Calculators
• Weight and Balance Equation and Calculator Trailer
• Worm and Wormgear Design Equations and Calculator
• Trailer Hitch Ball Coupler Size Equations and Calculators

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

Electrical Electronics Design Calculators

• 555 IC Timer Monostable and Astable Design Calculator
• Arc Flash Calculator per. NFPA 70E Calculator Excel Spreadsheet
• NCP1611 Generator Frequency Calculator Excel Spreadsheet
• NCP108x, Flyback CCM, Design Calculator Excel Spreadsheet
• Bandwidth Limiting Calculator Excel Spread Sheet
• Capacitance Discharge Calculator
• CMOS Schmidt Trigger Oscillator Calculator Excel Spreadsheet
• Decibel Tables Calculator Excel Spreadsheet
• Equally Tempered Scale Frequencies Calculator Excel Spread Sheet
• Inductance of Coil Calculator
• Inverting Op-Amp Gain Table Calculator Excel Spread Sheet
• Linear Circuit Source Calculator Excel Spreadsheet
• Ohms Law Equation and Calculator
• Op-Amp Gain Design Equation and Calculator
• Potentiometer Equation and Calculator
• Resistors in Parallel Equation and Calculator
• Multiple Feedback Band Pass Filter Calculator Excel Spread Sheet
• NE566 Function Generator Frequency Calculator Excel Spread Sheet
• NE570 VCA Output Biasing Calculator Excel Spreadsheet
• Schmitt Trigger Equations and Calculator
• Series & Parallel LED Design Calculator
• Wheatstone Bridge Analysis and Calculator
• Wire Voltage Drop Calculator
• Voltage Divider for 5% Resistors Calculator Excel Spreadsheet
• Voltage Summing of Three Resistors Equation and Calculator
• XR-2206 Function Generator Frequency Calculator Excel Spreadsheet
• Zener Diode, Power Transistor on Heat Sink Calculator
• Zener Diode and Resistor Voltage Regulator Design Calculator

Vibration Design and Engineering

• Vibration Resonant Frequency of a Flat Plate / Electronic Circuit Card Equation and Calculator

Manufacturing

• Bolt Circle Coordinate Plot & Calculator
• Machining Feeds and Speeds Calculator
• Force for Press Brake to Bend or Form Sheet Metal Calculator

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

• Compression Spring
• Compression Spring "k" Constant
• Extension Spring
• Extension Spring "k"
• Torsion Spring Constant Calculator
• Flat spring supported on both ends design equations and calculator

Friction Equations and Analysis

• Shaft and Journal Pivot Friction Equation and Calculator
• Conical Pivot Friction Equation and Calculator
• Shaft Flat Pivot Friction Equation and Calculator
• Collar Bearing Pivot Friction Equation and Calculator
• Truncated Cone Friction Equation and Calculator

Civil Engineering

• Assembly Tolerance Analysis Calculator
• Concentricity Calculator ASME Y14.5-2009
• Gage Tolerance Calculator ASME B89.1.5 Pin and Ring Gauges
• Maximum Material Size MMC vs Feature Size Tolerance Chart Tool Calculator
• Hole Feature Maximum Material Condition MMC vs Feature Size Tolerance Chart Calculator
• Shaft Diameter Maximum Material Condition MMC vs Feature Size Tolerance Chart Calculator
• Tolerance Calculator Floating Fastener Condition
• Tolerance Calculator Fixed Fastener Condition
• Tolerance Calculator Projected Tolerance Zone
• Tolerance Calculator 2 Mating Features @ MMC
• Tolerance Calculator 3 Mating Features @MMC
• Tolerance Calculator - True Position
• Tolerance Calculator - Spherical True Position
• Hole / Feature Pattern Plot
• Standard Deviation Equation and Calculator
• Measuring Large Bolt Circle Equations and Review
• Measuring Large Bolt Circle Even Number of Holes Calculator
• Measuring Large Bolt Circle Even Number of Holes Calculator #2
• Measuring Large Bolt Circle Odd Number of Holes Calculator #3
• Bolt Circle Coordinate Plot & Calculator
• Table of Hole Bore Tolerances per. ISO 286 Calculator
• Table of Shaft Tolerances per. ISO 286 Calculator
• Sample Size Calculator for Prevalence Studies

Motion Control Design

• Electric Motor Time to Start Calculator
• Electric Motor Running Torque Calculator
• Design of Square Key and Keyway Equations and Calculator
• Motor Accelerating Torque Calculator
• Motor Solid Cylinder Force and Torque Calculator
• Motor Hollow Cylinder Torque, Force Calculator
• Motor Driving Conveyor Torque, Force Calculator
• Motor Driving Speed Reducer (Gear, Belt, or Chain) Torque, Force Calculator
• Efficiency Calculation of Sliding Contact Bearing Supported Pulley
• Toothed Pulley Center Distance Calculator
• Sprocket Center Distance for a Roller Chain of known Length Equation and Calculator

Pressure Vessel Design Engineering

• 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

• Aerodynamic Drag Equation and Calculator
• Air Flow Drag Coefficients, Equation and Calculators
• Air Density and Specific Weight Equations and Calculator
• Convergent Nozzle Flow Velocity and Area Equation and Calculator
• Convergent-Divergent Nozzle Flow Velocity and Area Equation and Calculator
• Flow of Air in Pipes Equation and Calculator
• Flow of Compressed Air in Pipes Equation and Calculator
• Fluid Flow Open Channel Calculator
• Head loss in a Pipe Calculator
• Partially Full Pipe Flow Calculator
• Pipe Flow & Friction Factor Calculator
• Hazen-Williams Water Pressure Drop Flow Rates Calculator Equation
• Head Loss at Pipe Entrance Equations and Calculator
• Head Loss at Pipe Abrupt Exit Equations and Calculator
• Head loss and head loss coefficient equation and calculator of a fluid in across a screen (circular metal wire mesh) inside a pipe.
• Heat Loss Insulated Pipe Equation and Calculator
• Heat Loss From a Pipe Calculator
• Head coefficient and head loss across angled louvers inside a pipe equation and calculator.
• Hydraulic Pneumatic Cylinder Extend Force
• Hydraulic Pneumatic Cylinder Retract Force
• Rainfall Intensity and Peak Storm Water Runoff Rate Equations and Calculator
• O-Ring Leak Rate Equation and Calculator
• Velocity of Escaping Compressed Air Equation and Calculator

Sheet Metal Bend Allowance

• Distance Bend to Mold Line
• 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

• Acceleration Conversion - Equivalent
• Angle Conversion Calculator
• Binary to Decimal Conversion Calculator
• Binary to Hexadecimal Conversion Calculator
• Binary to Octal Conversion Calculator
• Concrete Volume Estimator Calculator Slab
• Concrete Volume Estimator Calculator Column
• Energy To Work Conversion - Equivalent
• Fractions Calculator
• Hexadecimal to Binary Conversion Calculator
• Hexadecimal to Decimal Conversion Calculator
• Hexadecimal to Octal Conversion Calculator
• Length Conversion - Equivalent
• Mass Conversion - Equivalent
• Octal to Binary Conversion Calculator
• Octal to Decimal Conversion Calculator and Table
• Octal to Hexadecimal Conversion Calculator and Table
• Power Conversion - Equivalent
• Pressure Conversion - Equivalent
• Temperature Conversion - Equivalent
• Time Conversion - Equivalent
• Metrology Conversion - Equivalent
• Scientific Calculator
• Area, Triangle, Square, Circle etc.
• Fluids Flow, Aerodynamics
• Automotive Horsepower
• Kinetic Energy
• Velocity Conversion - Equivalent
• Minutes, Seconds & Decimals Convert
• Volume
• Cube Volume Equations and Calculator
• Square Prism Volume Equations and Calculator
• Cylinder Volume and Surface Area Equation and Calculator
• Hollow Cylinder Volume Equation and Calculator
• Cone Volume and Area Equation and Calculator
• Frustrum of Cone Volume and Area Equation and Calculator
• Sphere Volume and Area Equation and Calculator
• Spherical Sector Area, Volume Equation and Calculator
• Spherical Segment Volume and Area Equation and Calculator
• Spherical Zone Volume and Area Equation and Calculator
• Spherical Wedge Volume and Area Calculator and Equation
• Hollow Sphere Volume Equation and Calculator
• Torus Volume and Area Equation and Calculator
• Pipe Strength
• Wind Chill
• Assembly Mass Estimate Worksheet

Triangle / Trigonometry Solutions

• Triangle Solutions Menu
• Sides b and c Known
• Side c and Angle B Known
• Sides a and b Known
• Sides a and c Known
• Side a and Angle B Known
• Side a and Angle A Known
• Side c and Angle A Known
• Side b and Angle B Known
• Side b and Angle A Known
• Oblique Triangle Solutions Calculator
• Right Triangle Solutions Calculator

Financial & Misc.

• BesselY Function Calculator
• Mortgage
• Credit Card Debt
• Compound Interest
• Stock Value
• Simple Percentages Calculator
• Percent Error Calculator
• Percent Difference Calculator
• Vehicle Car Loan Equation and Calculator

Welding Design and Engineering Data Calculators Main Menu

• Weld Fatigue Life Analysis of Welded Structures Spreadsheet Calculator
• Axial Load Full Penetration Weld Calculator
• Axial Normal Load Partial Penetration Weld Calculator
• Tee Section Load Full Penetration Weld Stress Calculator
• Tee Section Load Full Penetration Weld Moment Loading Applied Stress Calculator
• Tee Section Load Full Penetration Weld Perpendicular Loading Applied Stress Calculator
• Butt Weld Bending Moment Load Full Penetration Weld Stress Stress Calculator
• Partial Penetration Weld Bending Moment Weld Stress Calculator
• Tee Section Load Partial Penetration Weld Perpendicular Loading Applied Stress Calculator
• Tee Section Loaded Partial Penetration Weld Bending Moment Applied Stress Calculator
• Stress created for a Partial Penetration Weld Load Perpendicularity Weld Stress
• Stress created for the three plate splice configuration weld equals plate thickness
• Two Plate Weld Axial Load Weld Stress Calculator
• Stress created for the two plate parallel weld configuration calculator
• Stress created for the two plate perpendicular weld configuration Calculator
• Stress lap plate perpendicular weld configuration calculator
• Three Lap Plate Weld Axial Load Parallel Weld Stress Calculator
• Plate "L" Section Weld Stress Calculator
• Weld Shear Stress for Applied Torque on Solid Shaft Calculator
• Weld Shear Stress for Applied Bending Moment on Solid Shaft Calculator
• Weld Shear Stress for Applied Bending Moment on Rectanguler/Square Shaft Calculator
• Weld Shear Stress for Applied Bending Moment on Rectanguler Beam Calculator
• Weld Shear Stress for Applied Bending Moment on Rectanguler Beam Calculator
• Weld Shear Stress for Applied Bending Force on Rectanguler Beam Calculator
• Weld Stress for Bending Moment Applied Rectangular Beam Calculator
• Weld Stress for Load Applied to Rectangular Beam Calculator
• Weld Stress for Moment Applied to Rectangular Beam Calculator
• Weld Stress for Load Applied to Rectangular Beam Calculator
• Weld Stress for Moment Applied to Rectangular Beam Calculator
• Weld Stress for Moment Applied to Rectangular Beam Calculator
• Weld Stress for Load Applied to Rectangular Beam Calculator
• Weld Stress for Bending Moment Applied to Rectangular Beam Calculator
• Weld Stress for Splice Plate Beam Calculator
• Welding Splice Design of Beam Spreadsheet Calculator
• Weld Weight and Area Spreadsheet Calculator Calculations for Double V, Single V, Compound V, Backing Strip and J groove weld weight and area.