EDA, Incorporated

Engineering Calculators

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These calculators are provided free.  Please provide your name and email address to proceed.  The email address will be used as a password to other calculations. 

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These calculator links are provided free of charge.  EDA, Inc. has not verified the validity of any of these calculators and you use these at your own risk.  A good engineering practice is to validate, through a hand calculation or other means, the accuracy of the calculator before you use it for any results of record.  If you need assistance with any of these calculations, EDA, Inc. can set-up a work agreement with you.  Please contact SiteManager@edasolutions.com for fees and agreements.

 How to use the Calculators: 

  1. The calculators are very extensive!
  2. Enter the calculation that you want in the Search box.
  3. All hits related to Calculators and/or Calculations  will contain a calculator for your item of interest.
  4. For example, I put  mechanical in the search box.
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Some Great Simple Calculators


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On-Line Engineering Calculators


Basic Engineering Calculators


Liquid and Gas Flow Applications

  • On-Line Friction Piping Loss

  • On-Line Liquid Friction Loss for any Pipe Size

  • Design of Self-Venting Piping

  • Gas Density Calculator

  • Draining Time for Vertical Tanks

  • Online Pump Design

  • On-line Compressible Flow Pressure Loss

  • On-Line Gas Friction Loss for any Pipe Size

  • Open Channel Flow in Circular Pipe


General Engineering

  • Free Bodies - Properties of Solid Bodies


Heat Exchanger Calculations


Compressible Aerodynamics Calculator


Fluid Flow Calculator


Fluid Flow Calculations

Interactive calculations


Miscellaneous MathCad 2000 Calculations


Unit Conversion

Other Conversion Calculations


Other items of Interest

Multilingual Translator


The Calculators On-Line Center


Cool Calculators

Fluid Formulas in Metric

Fluid Formulas in British Units

Financial Calculators

Engineering Design Aids

Mechanical Formulas

Pure Mathematics


Civil and Structural Applications

  • Properties of Welds Treated as Lines


Equipment Sizing Calculations

Data Sheets

  • Heat Exchanger Data Sheet
  • Element/Bag Filter Data Sheet
  • Fan and Blower Data Sheet
  • Pump Data Sheet
  • Agitator/Mixer Filter Data Sheet

Support Calculations

  • On-Line Heat Exchanger Sizing
  • On-Line Fan Calculations and Properties
  • Online Pump System Design
  • On-Line Duct Friction Loss and Velocity Pressure Calculation
  • Basic Fan Laws


Fan, Blower, and HVAC Applications

  • On-Line Fan Calculations and Properties
  • Fan and Blower Data Sheet
  • On-Line Duct Friction Loss and Velocity Pressure Calculation


Flow Rate / Differential Pressure Calculator


Pump Applications


Steam Flow Calculations


Vessel and Tank Applications


The above links have been reviewed and approved to be the best engineering information available on the internet, so please enjoy and if you have a better link of engineering information, email it to SiteManager@edasolutions.com


Company Profile

EDA, Incorporated provides quality-engineering services on time, on schedule and within budget.  EDA, Inc. is able to do this by performing the work correctly the first time. We accept the most challenging problems and look forward to working with the client as a team member.  EDA believes that the client should be an active participant in the work process to ensure that the product is commensurate with client expectations and is delivered within schedule and budget constraints.

EDA, Inc. belongs to the American Society of Mechanical Engineers (ASME), the National Society of Professional Engineers (NSPE), the Society of Instrument Control Engineers, Society of Professional Engineers (ISA) and the American Nuclear Society (ANS).

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For more information on EDA, Incorporated services, please contact Client Service Manager at:

Client Service Manager

EDA, Inc.

6397 True Lane

Springfield, VA 22150


or email  the Client Service Manager at SiteManager@edasolutions.com .

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Contact Information

Virginia Office (703) 313-9138
Postal address
6397 True Lane
          Springfield, Va 22150
Electronic mail
General Information:  Site Manager@i-edainc.com