INDUSTRIAL & HVAC TOOLS
Engineering calculators
Practical tools for duct airflow, air velocity, ventilation and fan power. Enter your measurements and get instant results with clear formulas and assumptions.
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CALCULATORS
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01
Duct Airflow Calculator
Calculate airflow from duct dimensions and air velocity.
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Duct Air Velocity Calculator
Calculate air velocity from duct airflow and cross-sectional area.
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Air Changes per Hour Calculator
Estimate nominal room air changes from room volume and airflow.
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Fan Air Power Calculator
Estimate theoretical fan air power and input power.
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