Duct & Air Flow Calculations

Optimize Your HVAC & Ventilation Designs with Precision – Duct & Air Flow Calculator

Whether you're an HVAC engineer, contractor, or a student diving into ventilation system planning, the Duct & Air Flow Calculator is your ultimate tool for quick, accurate, and efficient calculations.

This app is designed to simplify complex airflow and ducting calculations without needing spreadsheets or guesswork. Easily switch between rectangular and circular ducts, estimate dry air density, calculate duct pressure drop, and analyze air flow rates — all in one streamlined interface.

🔧 Core Features:
✔ Air Flow Calculator – Instantly compute volumetric flow rate (CFM or m³/h) with precise inputs.
✔ Dry Air Density Estimator – Adjust calculations based on temperature and pressure for real-world accuracy.
✔ Rectangular to Circular Duct Converter – Get equivalent diameters to balance.
✔ Duct Pressure Drop Calculator – Estimate pressure losses over duct length with accurate output.
✔ Unit Flexibility – Switch between metric and imperial units with ease.

💡 Perfect For:
✔ HVAC professionals & technicians
✔ Mechanical engineers
✔ Architecture and MEP design teams
✔ Students and educators in thermal sciences

📈 Why You’ll Love It:
✔ Clean, fast interface with pro-level formulas
✔ Ideal for field work or classroom use
✔ Saves time, reduces manual errors, and enhances design accuracy
✔ Whether you're designing a complex ventilation system or just need quick air flow data, this app delivers all the tools you need in one place.
✔ Start making smarter, faster, and more accurate airflow decisions.

Disclaimer:
This application is intended for educational and informational purposes only. The calculations and results provided are based on standard engineering formulas and are not a substitute for professional advice. Users should consult relevant standards and professionals before making engineering decisions.

Download the Duct & Air Flow Calculator now!