Airflow conversion

CFM to Cubic Meters per Hour

Convert a volume-flow rate from cubic feet per minute (CFM) to cubic meters per hour (m3/h).

Created · Updated

Airflowm3/h

How to use

  1. Enter a known airflow rate in CFM.
  2. Read the equivalent value in m3/h.
  3. Keep the original air stream and rating conditions attached to the value.

Formula

m3/h = CFM × 1.69901082

Example

100 CFM × 1.69901082 = 169.90 m3/h.

Result interpretation

This is a mathematical unit conversion. It does not change the fan, duct, air density, pressure, temperature, or design intent behind the original airflow value. Compare equipment only when the underlying rating conditions are also comparable.

Frequently asked questions

Does conversion change fan performance?

No. It changes the displayed unit only.

Can I use this value to set ventilation requirements?

No. Identify the air stream and use applicable project requirements and qualified design for that decision.

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