HVAC Duct Calculator

About This Tool

The HVAC Duct Calculator is a powerful online tool designed to assist HVAC engineers, contractors, and students in quickly and accurately performing duct sizing and airflow calculations. Using simple inputs like airflow rate, duct shape, and length, the tool computes optimal duct dimensions, airflow velocity, and pressure drop estimates, helping ensure system efficiency and compliance with industry standards.

Whether designing new systems or troubleshooting existing setups, users benefit from instant calculations that save time and reduce errors. The calculator supports round and rectangular ducts, offering detailed output for each parameter, including diameter, width, height, and pressure loss. Advanced features such as saving calculation history and exporting reports enhance usability for professional workflows.

Designed for accessibility and responsiveness, it works seamlessly on desktops, tablets, and smartphones. This tool is ideal for HVAC engineers, mechanical contractors, facility managers, and students learning about duct systems, providing reliable, industry-standard results every time.

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