Engineering
Calculators 







Engineering with Converter 
Strain Gauge 
Section Properties Selected Shapes 






Half Bridge Beam Bending Strain Gage 
Steel W & S Flange Beam and Column Analysis /
Code Check Calculator 





Electrical Electronics
Design Calculators 
Full Bridge Beam Bending Strain Gage 
Section Modulus  Plastic Section Modulus (PNA) 





Bus Bar Voltage Drop Calculator 

Section Properties Square at Center 





Capacitance Discharge Calculator 
Tolerance Analysis Utilizing Geometric Dimensioning
Tolerancing 
Section Properties Square Rotated 90 Deg at Center 





Electrical Load & Energy Consumption Calculator 
Concentricity Calculator ASME Y14.52009 
Section Properties Square at Edge 





Electrical Panel board Calculator 
Tolerance Calculator Floating Fastener Condition 
Section Properties Square Tube at Center 





Estimate Electrical Consumption, load and cost 
Tolerance Calculator Fixed Fastener Condition 
Section Properties Square Tube Rotated 45 Deg @
Center 





Inductance of Coil Calculator 
Tolerance Calculator Projected Tolerance Zone 
Section Properties Rectangle at Center 





Minimum Insulation Resistance Calculator 
Tolerance Calculator 2 Mating Features @ MMC 
Section Properties Rectangle @ Edge 





Series & Parallel LED Design Calculator 
Tolerance Calculator 3 Mating Features @MMC 
Section Properties Rectangle Through Corners 





Voltage Drop & Cable Size Motor Load
Calculator 
Tolerance Calculator  True Position 
Engineering Section Properties: Rectangle @ Specified
Angle 





Wheatstone Bridge Analysis and Calculator 
Tolerance Calculator  Spherical True Position 
Section Properties Rectangle Tube at Center 





Wire Voltage Drop Calculator 
Hole / Feature Pattern Plot 
Section Properties Round at Center 






Measuring Large Bolt Circle Equations and Review 
Section Properties Tube/Pipe at Center 





Civil Engineering 
Measuring Large Bolt Circle Even Number of Holes
Calculator 
Section Properties Half Round 





Wind Loading Analysis per ASCE 798 
Measuring Large Bolt Circle Even Number of Holes
Calculator #2 
Section Properties Half Round Tube 





Wind Loading Analysis MWFRS & Clad 
Measuring Large Bolt Circle Odd Number of Holes
Calculator #3 
Section Properties Hexagon at Center 






Bolt Circle Coordinate Plot & Calculator 
Section Properties Hexagon Thru Corners 





Thread Installation
Stress / Strength 
Table of Hole Bore Tolerances per. ISO 286 Calculator 
Section Properties Trapezoid 





Eccentric Loads on Bolt Group  Vertical Row 
Table of Shaft Tolerances per. ISO 286
Calculator 
Section Properties Octagon 





Eccentric Loads on Bolt Groups for Two Vertical Rows
of Bolts 
Section Properties Triangle 





Structural Eccentric Loading on Bolt Group  For Two
Vertical Rows Calculator 
Motion Control Design 
Section Properties Triangle 





Eccentric Loading on Bolt Pattern for Vertical Rows
of Four 
Electric Motor Time to Start Calculator 
At Edge 





External Thread Shear Area Fed STD H28 Calculator 
Electric Motor Running Torque Calculator 
General Equation and Calculator Mass Moment of
Inertia 





Internal Thread Shear Area Fed STD H28 Calculator 
Electric Motor Starting Calculations 
Hollow Cylinder Mass Moment of Inertia 





Minimum Length of Thread Engagement Calculator Per
FEDSTDH28/2B 
Motor Accelerating Torque Calculator 
Rectangular Plane Mass Moment of Inertia Calculator 





ISO Thread / Fastener Ratio and Length Calculator 
Motor Solid Cylinder Force and Torque Calculator 
Rectangular Plate Mass Moment of Inertia Calculator
on Edge 





Minimum ISO Thread Engagement Calculations 
Motor Hollow Cylinder Torque, Force Calculator 
Solid Shaft Cylinder Equation and Calculator Mass
Moment of Inertia 





Fastener / Thread Pitch Circle Diameter Formula and
Calculation 
Motor Driving Conveyor Torque, Force Calculator 
Solid Sphere Cylinder Equation and Calculator Mass
Moment of Inertia 





Self Tapping Screw PullOut and Torque Calculator 
Motor Driving Speed Reducer (Gear, Belt, or Chain)
Torque, Force Calculator 
Thin Sphere Cylinder Equation and Calculator 





Thread Stress Area 100 ksi & Greater 
Efficiency Calculation of Sliding Contact Bearing
Supported Pulley 
Thin Wall Shaft Mass Moment of Inertia 





Thread Stress Area less Than 100 ksi 
Toothed Pulley Center Distance Calculator 






Thread Tensile Stress Area Calculator 
Pressure Vessel Design & Engineering 
Spring Design 





Torque  Fastener 
Pressure Vessel Cone Geometry Design Calculator 
Compression Spring 





Torque Conversion 
Pressure Vessel Nozzle Design Tool Calculator 
Compression Spring "k" Constant 





Torque Wrench Adapter Reduced Arm Calculator 
Pressure Vessel Torispherical Head Wall and Pressure
Calculator 
Extension Spring 





Torque Wrench Adapter Extended Arm Calculator 
Pressure Vessel Flanged Dish Head Design
Tool Calculator 
Extension Spring "k" 





Bolt Preload Calculation 
Pressure Vessel Elliptical Head Design 
Torsion Spring Constant Calculator 





Screw Gear Axial Force Calculation 
Thickness of Circumferential Shells Under
Internal Pressure 







Thickness of Longitudinal Stressed Shells Under
Internal Pressure 
Structural Deflections and Stress Menu 





Machine Design 
Longitudinal Stress (Circumferential Joints) 
Axial Load Capacities for Single Plates Calculator 





Angular Radial Contact Ball Bearings Static Load
Rating Calculator 
Thickness of Ellipsoidal Head Under Internal
Pressure 
Beam Bending Equations / Calculation Supported
on Both Ends Uniform Loading 




Bearing Fatigue Life Calculator #1 
Buckling of Cylinder Plate Equations and
Calculation 
Beam Bending Equations / Calculation Supported
on Both Ends Single Load at Center 




Bearing Fatigue Life Calculator #2 
Pipe Shell Design Calculator Pressure Vessel 
Beam Bending Equations / Calculation Supported
on Both Ends Loaded at any Location 



Crossed Belt Friction Belt Drive Calculator 
Propane Tank Dimensional and Volume Data Calculator 
Beam Bending Equations / Calculation Free and Guided
on One End, Rigid one End With Uniform Load 


Flat Belt Length Distance Calculator 
Standard Size Steel Pipe Weights Calculator 
Beam Bending Equations / Calculation Supported
on Both Ends With Overhanging Supports of equal Length and Equal Loads 
Gear Motor and Transmission Inertia Estimator
Calculator 
Extra Strong (XS) Size Steel Pipe Weights Calculator 
Beam Bending Equations / Calculation Supported
on Both Ends Loaded Two equal Loads 



Gear Tooth Strength Calculator 
Double Extra Strong(XXS) Size Steel Pipe Weights
Calculator 
Beam Bending Equations / Calculation with Ends
Overhanging Supports and a Two Equal Loads applied at Symmetrical
Locations 
Goodman Diagram & SN Diagram 

Beam Bending Equations / Calculation with End
Overhanging Supports and a Single Load 



Magnetic Lifting Force Equation and Calculator 
Fluids 
Beam Bending Equations /
Calculation Cantilevered Beam with One Load Applied at End 



Press Fit Engineering and Design Calculator 
Fluid Flow Open Channel Calculator 
Beam Bending Equations /
Calculation Cantilevered Beam with Uniform Load 




Scissor Lift Jack Force Bottom Load Calculator 
Head loss in a Pipe Calculator 
Beam Bending Equations / Calculation Supported on One
End, Rigid one End With Uniform Load 



Scissor Lift Jack Force Center Load Calculator 
Partially Full Pipe Flow Calculator 
Beam Bending Equations /
Calculation Cantilevered Beam with Load at Location Between Support and
Load 


Sliding Contact Bearing Efficiency on Supported
Pulley 
Pipe Flow & Friction Factor Calculator 
Beam Bending Equations / Calculation Free and Guided
on One End, Rigid one End With Single Load 


Open Vehicle Forces Calculator 
Heat Loss Insulated Pipe Equation and Calculator 
Beam Stress & Deflection Equations / Calculation
 Both Ends Overhanging and Supported Unsymmetrical with Uniform Load 
Vehicle Forces For Driving Up Slope Calculator 
Heat Loss From a Pipe Calculator 
Beam Stress Equations / Calculation  Both Ends
Overhanging Supports, Load at any Point Between 



Hydraulic Pneumatic Cylinder Extend Force 
Structural Beam Bending Stress & Deflection
Equations / Calculation  Fixed at One End, Supported at the Other, Load at
Center 
Heat Transfer 
Hydraulic Pneumatic Cylinder Retract Force 
Beam Stress Deflection Equations / Calculation 
Fixed at One End, Supported at the Other, Load at any Point 


Heat Loss Through Enclosure Walls Equations and
Calculations 
Rainfall Intensity and Peak Storm Water Runoff Rate
Equations and Calculator 
Beam Stress Deflection Equations / Calculation 
Fixed at Both Ends, Load at Center 




Heat Loss from a Pipe 

Beam Stress Deflection Equations / Calculation 
Fixed at Both Ends, Load at any Location 



Convection of Known Surface Area Calculator 
Sheet Metal Bend Allowance 
Beam Stress Deflection Equations / Calculation with
Uniform Loading 





Heat Sink Convection with Fins Calculator 
Distance Bend to Mold Line 
Beam Bending Stress Deflection Equations / Continuous
Beam, with Two Unequal Spans, Unequal, Uniform Loads 

Counter & Parallel Flow Heat Exchanger Calculator 
Bend Allowance 
Beam Stress Deflection Equations / Calculation 
Continuous Beam, with Two Equal Spans, Uniform Load 


Heat Radiation of a Surface Calculator 

Beam Stress Defection Simply Supported on Both Ends
Under Superimposed Loading Equations 



Heat Transfer Between Solid and Liquid 
Friction Equations and Analysis 
Shear Modulus of Rigidity Chart and Calculator 






Shaft and Journal Pivot Friction Equation and
Calculator 
SingleSpan Beam Deflection for Simple Propped, Fixed
or Cantilever Beams.  Include Shear and Moment Diagram. 

Manufacturing 
Conical Pivot Friction Equation and Calculator 
Fixed Pin Cantilever Beam Design Calculator 





Bolt Circle Coordinate Plot & Calculator 
Shaft Flat Pivot Friction Equation and Calculator 
Bolt Shear AISC Stress Calculator 





Machining Feeds and Speeds Calculator 
Collar Bearing Pivot Friction Equation and Calculator 
Concrete Rectangular Beam Section Analysis
Calculator 





Toroid Shell, End Mill Feeds and Speeds
Calculator 
Truncated Cone Friction Equation and Calculator 
Rectangular Concrete Beam Section Analysis Crack
Control  Distribution of Flexural Reinforcing 





Rectangular Concrete Beam Section Analysis Beam
Torsion and Shear 





Financial &
Misc. 
Plastic Snap Fit 
WFlange Overhead Monorail Beam Analysis Calculator 





Gantt Chart Template  Excel 
Snap Fit Straight Finger Strain 
SFlange Overhead Monorail Beam Analysis Calculator 





Mortgage 
Snap Fit Tapered Finger Strain 
Circular Plate Deflection, Moments and Stress 





Credit Card Debt 
Tapered Snap Fit Beam Bending Equation and Calculator 
Axial Load Capacities Single Plates Calculator
Equation and Calculator Fixed and Supported Ends 



Compound Interest 

Ideal Pinned Column Buckling Calculator 





Stock Value 
Conversions, Fluids, Torque, General 
Cylinder Stress and Deflection with Applied Torsion 





Simple Percentages Calculator 
Acceleration Conversion  Equivalent 
Stress Concentration Cylinder feature with Axial
Loading 





Percent Error Calculator 
Concrete Volume Estimator Calculator Slab 
Tapered Snap Fit Beam Bending Equation and Calculator 





Percent Difference Calculator 
Concrete Volume Estimator Calculator Column 
Thin Wall Pressure Vessel Hoop Stress 






Energy To Work Conversion  Equivalent 
Thin Wall Pressure Vessel Longitudinal Stress 





Triangle / Trigonometry
Solutions 
Length Conversion  Equivalent 
Timber Framework Systems Design Calculations 





Triangle Solutions Menu 
Mass Conversion  Equivalent 
Torsional Deflection of Cylinder 





Sides b and c Known 
Power Conversion  Equivalent 
Torsional Deflection of Solid Cylinder 





Side c and Angle B Known 
Pressure Conversion  Equivalent 
Torsional Deflection of Hollow Cylinder 





Sides a and b Known 
Temperature Conversion  Equivalent 
Shear Stress in Shafts Calculator 





Sides a and c Known 
Time Conversion  Equivalent 
Snow Load Analysis per ASCE798S 





Side a and Angle B Known 
Metrology Conversion  Equivalent 
Snow Load Analysis Program per ASCE702S 





Side a and Angle A Known 
Scientific Calculator 
Snow Load Calculator  Simple Building Structure 





Side c and Angle A Known 
Area, Triangle, Square, Circle etc. 
Wind Load Low Rise Buildings per. ASCE 798 





Side b and Angle B Known 
Fluids Flow, Aerodynamics 
Wind Load Calculations Chimneys, Stack and Vertical
Tanks per ASCE 7.02 





Side b and Angle A Known 
Automotive Horsepower 
Wind Loading Analysis Wall Components and Cladding 





Oblique Triangle Solutions Calculator 
Kinetic Energy 
Building Wind Loading Analysis for Buildings of Any
Height. 





Right Triangle Solutions Calculator 
Velocity Conversion  Equivalent 
Structural Wind Loading Analysis Simplified for Low
Rise Buildings 






Minutes, Seconds & Decimals Convert 
Structural Beam on Elastic Foundation Analysis 





Simple Levers 
Volume 
Structural Rectangular Spread Footing Analysis 





Lever Case #1 Force Unknown 
Pipe Strength 
Structural Rectangular Spread Footing Analysis with
Break Down of Loads 





Lever Case #2 Distance Unknown 
Wind Chill 
Structural Rectangular Spread Footings Table Format 





Lever Case #3 Force Unknown 
Assembly Mass Estimate Worksheet 






Lever Case #4 Distance Unknown 














