↓ Skip to Main Content
HydrauCalc HydrauCalc Free Fluid Flow and Pressure Drop Calculator
  • Home
  • Screenshots
  • Downloads
  • Documentation
  • Contact
  • HydrauCalc Help

HydrauCalc

What is it?

HydrauCalc is a very accurate software application for Fluid Flow and Pressure Drop Calculations
in Pipes and Piping Elements
as Bends, Reducers, Tes, Valves, Orifices
and more...

The HydrauCalc graphical user interface
is available in English, French or Spanish
and is very easy-to-use.

HydrauCalc comes with its own Fluids Database and Pipe Materials Database.

HydrauCalc software is free.

  • Straight pipe with circular cross-section
  • Straight pipe with rectangular cross-section
  • Straight pipe with triangular cross-section
  • Straight pipe with annular cross-section
  • Smooth bend with circular cross-section
  • Miter bend with circular cross-section
  • Sudden expansion with circular cross-section
  • Sudden contraction sharp with circular cross-section
  • Gradual expansion with circular cross-section
  • Gradual contraction with circular cross-section
  • Combining sharp-edged junction with circular cross-section
  • Dividing sharp-edged junction with circular cross-section
  • Symmetric combining sharp-edged T-junction with circular cross-section
  • Symmetric dividing sharp-edged T-junction with circular cross-section
  • Combining radiused-edged T-junction
  • Dividing radiused-edged T-junction
  • Symmetric combining radiused-edged T-junction
  • Symmetric dividing radiused-edged T-junction
  • Flush-mounted sharp-edged entrance
  • Flush-mounted rounded entrance
  • Flush-mounted bevelled entrance
  • Sharp-edged entrance mounted at a distance
  • Sharp-edged entrance mounted at an angle
  • Flush-mounted sharp-edged discharge
  • Flush-mounted rounded discharge
  • Sharp-edged discharge mounted at a distance
  • Thick-edged orifice
  • Sharp-edged orifice
  • Thick-edged grid
  • Orifice plate flowmeter
  • General Head Drop Formulas for Steady State and Incompressible Fluid - circular cross-section
  • General Head Drop Formulas for Steady State and Incompressible Fluid - rectangular cross-section
  • Nikuradse Harp
  • Moody Chart for circular cross-section pipes
  • Moody Chart - Formulas Comparaison
  • Pump quick design 4
  • Pump quick design 3
  • Pump quick design 2
  • Pump quick design 1
  • Butterfly valve
  • Globe valve
  • Bevel-edged orifice
  • Bevel-edged orifice (with transition)
  • Bevel-edged grid
  • Ball valve
  • Y globe valve
  • Thick-edged orifice (with transition)
  • Smooth bend with rectangular cross-section
  • Sharp-edged orifice (with transition)
  • Sharp-edged grid
  • Round-edged orifice
  • Round-edged orifice (with transition)
  • Round-edged grid
  • Miter bend with rectangular cross-section

What references?

HydrauCalc is mainly based on well-known and respected references in the field of fluid flow and pressure drop calculation, such as:

Handbook of Hydraulic Resistance, 3rd Edition, I.E. Idelchik

Internal Flow System, 2nd Edition, D.S. Miller

Flow of Fluids Through Valves, Fitting and Pipe – Crane Technical Paper No. 410

Pipe Flow: A Pratical and Comprehensive Guide. Donald C. Rennels and Hobart M. Hudson (2012)

HydrauCalc Presentation

https://wp.me/a97QD4-ys

a97QD4-oEHydrauCalc – Presentation (2022a Release) – English (3.4 MB)

a97QD4-oEHydrauCalc – Présentation (version 2022a) – Français (4.9 MB)

a97QD4-oGHydrauCalc – Presentation

https://wp.me/a97QD4-yr

a97QD4-oEHydrauCalcXL – Presentation (2022a Release) – English (4.4 MB)

a97QD4-oEHydrauCalcXL – Présentation (version 2022a) – Français (4.5 MB)

Why donate?

HydrauCalc is free for you, but not for us.

A lot of time has gone into the development of this software. Donations make it possible for us to continue maintaining and improving this software.

If you are satisfied with this software and if it saves you money or time, thank you for making a donation to make it live.

By making a donation you will prevent the next versions from becoming paid Professional versions.

  • Legal notices
  • Twitter
  • Facebook
  • Yelp
© 2023 François Corre