Hydrant Flow Calculator

Hydrant Flow Calculator

Streamline Water System Decisions

Ensure the efficiency and safety of your waterworks infrastructure with our interactive Hydrant Flow Calculator. Designed for engineers, municipal workers, and safety inspectors, this user-friendly tool provides instant calculations for critical water flow parameters. Key features include:

  • Real-time Calculations: Instantly determine the flow rate from any hydrant within your system.
  • Customizable Parameters: Input hydrant nozzle size and pressures to reflect specific flow conditions and capabilities.
  • Standards Compliance: Ensure your flow rates meet NFPA and ISO standards.   


Flow Hydrant

Fields with an * are required.

Residual Hydrant

If no residual hydrant leave psi at 0.

Calculate your results.