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Calculator for thermal energy, heat power and flow rate calculation

Related calculators: Natural gas; LPG flow

Pipe flow calculator features

  • Pack of sixteen pipe flow calculators in one application
  • Productive tool for every day flow calculations
  • Used by thousands of engineers, students, professors and other professionals every day
  • Multiple calculation scenarios for each calculator
  • Easy switch between metric and imperial units
  • Copy and save calculation results
  • Every calculator is backed with used theory and equations
  • Always use the latest version with automatic update
  • Stay connected with developer and community through social channels



Java Runtime Environment – JRE version 1.8+
(install latest JRE now)

OR without Java
Download and run calculators pack - for Windows64bit users only.

Register and activate account on pipeflowcalculations.net

Select subscription plan

Read detailed instructions and requirements

Calculators for download in one pack, Java required.
For desktop/laptop users (Windows, MacOS, Linux)

download and start
*no administrator's roles required

No Java? It's a shame…
BUT it's not the end of the word!

If you are having Windows 64bit on your computer you can download and run calculators even without administrator role on your computer. This kind of calculator deployment is great if you are on the corporate network and if you don't have authority to install anything on your computer.

If you are not Windows 64bit user you can still use some calculators on my other web site at pipeflowcalculations.net .
There you can try server side, mobile friendly, pipe flow calculators that require nothing more than a web browser and Internet connection

Thermal energy and heat power calculator can be used for calculation of thermal energy and heat power water production in boilers or thermal energy required for heating specified volume of water or some other fluid. Or, use calculator for heat exchanger and flow rate calculation or energy exchange quantity calculation in heat exchanger.

Thermal energy and heat power calculator can be used for chilled water production flow rate calculation when heat power of refrigeration is known, or calculator can calculate hot air production if input heat power is known.

For known temperatures on inlet and outlet, calculate heat power, thermal energy weight flow rate, flow velocity or pipe diameter using thermal energy and heat power calculator.

Calculate thermal energy and heat power of water or air for heating and cooling or calculate flow rate of fluid that is heated or cooled with thermal energy and heat power calculator. Calculator can be used for hot water boilers, water and air heat exchangers, hot water radiators, water chillers, air heaters and other heat power generation and consumption units.

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Fuel heat energy flow calculator