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HVAC & Airflow

CFM to CMM Calculator

Convert CFM to cubic metres per minute.

Enter your values

Enter the airflow in CFM.

Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.

Results
Airflow
28.317 CMM
In m³/h
1699
In L/s
471.9
In cu ft per hour
60,000

Quick answer

One CFM equals 0.0283168 cubic metres per minute.

CMM = CFM x 0.0283168

At a glance

What it doesConvert CFM to cubic metres per minute.
CategoryHVAC & Airflow
Inputs neededAirflow
Main outputAirflow
FormulaCMM = CFM x 0.0283168
CostFree — no sign-up, no download

How to use the CFM to CMM Calculator

  1. 1Enter the CFM value.
  2. 2Read CMM for metric fan curves plotted per minute.
  3. 3Cross-check m³/h for catalogue comparisons.

Inputs explained

Airflow(CFM)
Enter the airflow in CFM.

Worked example

Using the values the calculator loads with:

Inputs

  • Airflow1000 CFM

Results

  • Airflow28.317 CMM
  • In m³/h1699
  • In L/s471.9
  • In cu ft per hour60,000

Frequently asked questions

Where is CMM used?

Japanese and Korean fan and air purifier specs often quote m³/min.

Does altitude matter?

The unit conversion does not change, but a fan moves less mass of air at altitude.

What do I need to enter into the CFM to CMM Calculator?

Just 1 value: airflow. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.

How does the CFM to CMM Calculator work out the answer?

One CFM equals 0.0283168 cubic metres per minute. It applies the formula CMM = CFM x 0.0283168 and shows the working so you can check each step by hand.

Is the CFM to CMM Calculator free, and do I need an account?

It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.

Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.