Ductulator
Enter a duct size and airflow to get velocity, velocity pressure and friction rate — or check the pressure drop of a common HVAC component.
Friction rate
1.867Pa/m
Velocity
6.11m/s
Velocity pressure
22.49Pa
By using this calculator, you agree to our terms of service and acknowledge that results are indicative only.
This is one duct. DeltaDrop calculates the whole system.
Multi-component Systems · NCC J6D5 compliance · automatic sizing · PDF reports