Welcome to ThermoFluidsHelp! (BETA)

Home of some of the most powerful online engineering calculators!

This site is still very new, but we are trying our hardest to provide you with the best possible solutions towards helping you learn


Powerful Calculators

Powerful Calculators

Check out our Calcuators! Solve Power Cycles (Otto, Diesel, Dual, Brayton), Bernoulli's Principle, Interpolate Air Tables, Iterate the Colebrook Equation! All calculators are FREE to use to registered users (Free to register!).


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Access the learning section to read about commonly asked questions by young engineers. "What's the difference between Entropy and Enthalpy?", "Swept Volume vs. Clearance Volume", and more! Currently the content is minimal but we are accepting articles from knowledgeable engineers!

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Have questions or comments about a thermodynamics or fluids subject? Post your question in the forum - or if you know the answer, feel free to chime in!



Brayton Cycle:

Constant Heats Air Tables

Diesel Cycle:

Constant Heats Air Tables

Dual Cycle:

Constant Heats Air Tables

Otto Cycle:

Constant Heats Air Tables


Pipe Flow




Air Tables

Van der Waals: