Hydraulic analysis software - used in over 100 countries

Calculate Flow Rate, Pressure Loss & Pump Head in Pipe Networks.

Pipe Flow Expert lets you draw a piping system on screen and solve it: see the flow rate in every pipe, the pressure drop across the network, and the pump head you need. From a handful of pipes to large, complex networks.

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Comes with over 70 example systems. Get licensed in under 2 minutes.

Pipe Flow Expert modelling a piping system with pumps, tanks and calculated flow and pressure results

New in October 2026: Pipe Flow Expert version 9, a major update with significant program enhancements.

100+countries using it

2006Pipe Flow Expert first released

< 2 minfrom buying to licensed

30 daysmoney-back guarantee

See what it can do

Design Pipe Systems - Calculate Results - Easy To Use

Pipe Flow Expert full overview video: design pipe systems, calculate results

Full overview: design, solve, calculate, review, results, reports.

Built for piping & hydraulic engineers

Draw your system, enter your data, and let Pipe Flow Expert do the calculation work, using the industry-standard Darcy-Weisbach and Colebrook-White methods, with results you can verify and stand behind.

FLOW RATEFlow rate calculated in every pipe in the network
PRESSURE LOSSPressure drop solved across the whole system
PUMP HEADMultiple pumps in series or parallel, with the head required
LOOPED NETWORKSOpen or closed-loop networks, multiple supply & discharge tanks
FITTINGSValves, fittings and components, in the units you prefer
LIQUID SYSTEMSWater, oils, chemicals and other liquids, with data from the built-in fluid database
GAS SYSTEMSGas systems such as natural gas pipelines, with common gas data included

Try it free See what it can do

See it work

Watch Pipe Flow Expert solve a real system

Pipe Flow Expert detailed overview video

Detailed overview: build a system, run it, read the results.

Why engineers choose Pipe Flow Expert

Easy to use

A clear, visual interface. Build and edit systems fast, with 70+ Example Systems, a Quick Start Guide, and Quick Start Video series to get you going.

Verified Results

Proven hydraulic methods, with results checked against 80+ published cases, so your design holds up to scrutiny.

Unrivalled Support

Help from real engineers, from your first question to detailed technical answers. See what existing customers think.

Calculate the pump head you need

Calculate the pump head required for a given flow rate video

Find the pump head required for a given flow rate.

More videos: quick start, quick tips and technical training.

Trusted at leading organisations

Siemens Energy
Arup
Xylem
Airbus
Ingersoll Rand
ILF Consulting Engineers
TechnoAlpin
Tereos
VARO Energy
Gradiant
Flexpipe
Sydvatten
Groupe ADF
LiquidStack
Bioenergética Aroeira
DHHI Germany
GL Projects
Westcon Design
Vedam Design
Matre
Hepta Proyectos
NEOplan
ITECK
Pelican Energy Consultants
Siemens Energy
Arup
Xylem
Airbus
Ingersoll Rand
ILF Consulting Engineers
TechnoAlpin
Tereos
VARO Energy
Gradiant
Flexpipe
Sydvatten
Groupe ADF
LiquidStack
Bioenergética Aroeira
DHHI Germany
GL Projects
Westcon Design
Vedam Design
Matre
Hepta Proyectos
NEOplan
ITECK
Pelican Energy Consultants

One of the best programs in its genre that I have ever used.

Robert Gaston, Georgia-Pacific, USA

Pipe Flow Expert has revolutionized the way we design, helping us to achieve greater energy efficiency in our fluid systems.

Al Truss, Fountainhead Group Consulting, Canada

Great software, superlative service.

Martin Maurach, National Research Council, Canada

The Pipe Flow range

Hydraulic calculations

Background on fluid flow type, flow rate, friction loss and total pressure drop in a pipe.

Try Pipe Flow Expert free

Get a full-featured trial, build your first system and check the results. When you're ready, buy online and be licensed in under two minutes, backed by a 14-day money-back guarantee.