Terms of Service

Last updated: March 21, 2026

1. Acceptance of Terms

By accessing and using Flow Rate Calculator (flowratecalculator.com), you agree to be bound by these Terms of Service. If you do not agree with any part of these terms, please do not use our website.

2. Description of Service

Flow Rate Calculator provides free online engineering calculators for fluid dynamics, hydraulic engineering, and pipe system design. Our tools include flow rate, pressure drop, pipe sizing, velocity, Reynolds number, head loss, pump power, and tank calculators, among others.

3. Disclaimer of Accuracy

Our calculators are designed to provide accurate results based on widely accepted engineering formulas and standards. However:

  • Results are for reference and educational purposes only. They should not be used as the sole basis for engineering decisions affecting safety, health, or structural integrity.
  • All calculations should be verified by a qualified professional engineer before use in real-world applications.
  • Actual conditions may differ from idealized mathematical models. Factors such as pipe aging, fluid composition, temperature variations, and installation quality can affect real-world results.

4. Limitation of Liability

Flow Rate Calculator and its operators shall not be liable for any direct, indirect, incidental, consequential, or special damages arising from the use of, or inability to use, our calculators and tools. This includes but is not limited to damages from errors in calculations, misinterpretation of results, or reliance on calculator outputs for engineering decisions.

5. Intellectual Property

All content on this website, including text, graphics, logos, calculator designs, and software, is the property of Flow Rate Calculator and is protected by intellectual property laws. You may use our calculators for personal and professional calculations but may not reproduce, distribute, or modify our website content without permission.

6. Permitted Use

You may use our website and calculators for:

  • Personal engineering calculations and analysis
  • Educational and learning purposes
  • Preliminary design estimates (subject to professional verification)
  • Reference and comparison with other calculation methods

7. Prohibited Use

You may not:

  • Attempt to reverse-engineer, scrape, or copy our calculator software
  • Use automated bots or scripts to access our calculators at scale
  • Misrepresent our calculator results as certified engineering calculations
  • Use the website in any way that could damage or overload our servers

8. Modifications

We reserve the right to modify these terms at any time. Continued use of the website after changes constitutes acceptance of the updated terms.

9. Governing Law

These terms shall be governed by and construed in accordance with applicable laws, without regard to conflict of law provisions.

10. Contact

For questions about these Terms of Service, please visit our About page.