Ventilation Flow from Air Changes
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Ventilation Flow from Air Changes
Translate a supplied air-change rate into volumetric flow.
UNDERSTAND YOUR RESULT
How it works
Translate a supplied air-change rate into volumetric flow.
THE CALCULATIONflow (m³/h) = room volume × specified ACH
Using this calculator
Enter room length (m), room width (m), room height (m), specified air changes per hour. flow (m³/h) = room volume × specified ACH.
What to keep in mind
A quantity estimate using your measurements, not a structural design, building-code check or purchasing specification. Allow for real shapes, cutting and the product instructions.
Frequently asked questions
Are my entries saved?
No. Calculator inputs remain in the current page and are cleared when you reload or leave. The tools do not upload your entries.
Why are results rounded?
The display is rounded for readability. Calculations use unrounded intermediate values. An estimate should not be interpreted as an exact measurement.