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Online Calculators

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Online Calculators
efunda A comprehensive suite of Online calculators and under continous expansion. The following are the types of calculators - Units Conversion, Wire and Sheet Gauge, O-Ring, Spring, Hardness, Decimal, Beam, Reynolds Number, Single Degree of Freedom Vibration, Stress Transformation, Principal Stress, Failure Criteria, Pipe Friction, Venturi Flow, Radiation and Elastic Constants. Other calculators available are for Pure Mathematics and Finance.
Created by
Mechanism Construction & Animation Very impressive and powerful java appelet for creating your own mechanisms with links, springs, mass, gravity and actuators.
Created by SodaPlay
Dirac Delta Huge compendium of online calculators related to aerodynamics, acoustics, civil engineering, electronics, mathematics, mechanical engineering, vibration, optics, physics & signal processing. Besides the online calculators it also serves as an encylopedia on the listed topics.
Created by Dirac Delta Consultants Limited
Rotor balancer & Vibration calc A rotor balancing simulator. Transducer calculator converts the measurement of overall vibration transducers in the range of 4-20 mA to the actual vibration units. Sinusoidal vibration calculates amplitudes between different unit systems (metric, english), physical variables (acceleration, displacement, velocity) and overall amplitude values (rms, peak and peak-to-peak).
Created by
CADEC Online application that performs composite materials analysis. Micromechanics, ply mechanics, macromechanics, fabric-reinforced composites.
Created by CADEC
SMath Studio 'Paper'-like interface for analytical calculations of matrices, vectors, complex numbers, infinities and fractions.
Created by SMath
Pipeline Calculators Lots of calulators related to piping from pipe loading, to fluid flow, to soil mechanics.
Created by
Hydraulic Calculator For the Diameter & Speed of Sprockets, V-belt length, Push-Pull for Hydraulic Cylinders, Displacement of Gear Pumps and Motor H.P output.
Created by Baum Hydraulics Company
Beam Design Calculator For Beam design using the spreadsheet program MS Excel. Must be Online to operate the application.
Created by Professional Engineering
Hertzian stress Hertzian contact stresses and subsurface stresses are calculated for point or line contact. Both line or point contact are considered.
Created by MESYS AG
Fatigue Fatigue analysis methods based on stress-life, strain-life or crack growth.
Created by eFatigue LLC
Engineers Edge Calculators for acceleration conversion, velocity conversion, energy to work conversion, area, triangle, square, circle etc., length conversion, fluids flow, aerodynamics , mass conversion, automotive horsepower, power conversion, kinetic energy, pressure conversion, tolerance calculator (fixed fastener), temperature conversion, tolerance calculator (projection zone), tolerance calculator (2 mating features @ MMC), metrology conversion.
Created by The Engineers Edge
The Engineers Page Online engineering calculations for pressure drop, line sizing, pump applications, centrifugal pump sizing and heat exchangers including thermal rating.
Created by The Engineers Page
Software4Structures Collection of powerful and easy to use online calculations and models: beams, trusses, plates and shells.
Created by Alex Yevkin
Section Properties This is a plugin for google SketchUp to calculate the area, outside perimeter, max width and height, moment of inertia and product of inertia .
Created by Osvaldo Salas
Thermal Calculators 1 & 2-D steady state conduction & capacitance calculators for various geometries.
Created by Novel Concepts Inc
Boiler Calculations Online programs for boiler design - combustion, efficiency, steam, gas, water properties, volume to weight conversion.
Created by FireCAD Technologies
PowerESIM Online power supply simulation software severe restrictions for non-registered users to only the automatic design feature, Magnetic Builder, loop analysis & loss analysis.
Created by Power eSIM.
Change Units Free Excel add-on to change units in a natural way without ever having to leave Excel again to do a unit conversion.
Created by Change Units
Gerotor Gerotor Pump Calculator.
Beam Open source engineering tool that calculates member forces and support reactions of a continuous beam.
Snow/Wind Loads Free online calculators for snow loading, ice loading, seismic base shear and wind loading.
OnlineFEA Free online 2D truss & frame element FEA.
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Last updated on November 09, 2014

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