This website is offering pipe flow calculators for everyday problem-solving in the field of fluid dynamics. Sixteen desktop calculators, fourteen calculators as the web application, three calculators for Android smartphones are available at the moment.
Used every day by thousands of students and professionals. Improved many times and confirmed in practice.
Every reported bug is fixed within a day or two, for years.
Professional calculations made easy. Solve simple and complex fluid flow problems in less than one minute GUARANTEED.
Short learning curve, just enter values and get results.
20 calculators for everyday tasks.
Desktop application (18 calc’s), online calculators (15 calc’s) or smartphone applications (3 calc’s)
Online calculators are free with limited functionality.
All calculators and functions are available for subscribed users.
Flow rate in pipe for given pressure
Pipe diameterVelocity through pipe
Pump head and flowPump performance curve for a specific pump speed and pipeline
Bernoulli principleFlow energy change from pressure to velocity
Reynolds numberLaminar or turbulent flow? Calculate from viscosity and velocity
Control valveCalculate flow coefficient Cv from pressure drop and flow rate
Orifice plate calculation and sizing for natural gas, propane,...
Venturi tubeVenturi tube sizing and flow calculation
Air flowCompressible airflow flow calculator
Natural gasNatural gas pipe sizing
Heat powerCalculate heat power from flow rate and temperature difference
Pipe wall thicknessCalculate the thickness of the pipe wall based on the known value of the internal pressure and the permitted specified minimum yield stress in the pipe
All the formulas used in the calculators are shown and explained 4 Topics and 26 articles in the field of fluid mechanics with over 100 formulas
Fluid density, specific volume, specific gravity, mixture density, viscosity, pressure levels
FLOW IN PIPESPipe diameter, laminar/turbulent, Reynolds number, Bernoulli principle, Darcy formula, friction, dynamic/total pressure, heat power
Resistance coefficient, flow coefficient, cavitation, choked flow, flow discharge, gas regulator capacity, natural gas control valve
COMPRESSIBLE GAS FLOWcompressible flow, isothermal flow, fuel combustion, maximum flow, steam evaporation
60 fluids - liquids, gases, fuels, flue gases.
The basic physical and chemical characteristics of the most commonly used fluids are presented
Fluid properties are included in calculators.
6 pipe standards, ANSI, API, PVC and EN
Display of pipe characteristics according to the selected standard, diameter, schedule.
Pipe weight calculation with and without fluid. Possibility of fluid density input.
Pipe costing calculation for the entered unit price
WELDED AND SEAMLESS WROUGHT STEEL PIPE
API 5LSPECIFICATION FOR LINE PIPE
API 5L AND ISO 3183STEEL PIPES GRADES, YIELD AND TENSILE STRENGTH
ASTM A 270STAINLESS SANITARY TUBES
STAINLESS STEEL PIPE
EN 10220SEAMLESS AND WELDED STEEL TUBES
ASTM D1785POLY-VINYL CHLORIDE (PVC) PLASTIC PIPES
EN10305-1SEAMLESS COLD DRAWN PRECISION STEEL TUBES