m³/h to CFM Calculator
Convert cubic metres per hour to CFM.
Enter your values
Enter the airflow in m³/h.
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.
- Airflow
- 400.2 CFM
- In L/s
- 188.9
- In m³/min
- 11.33
- In m³/s
- 0.1889
Working
- 1680 m³/h x 0.588578 = 400.2 CFM
Quick answer
One cubic metre per hour equals 0.588578 CFM.
CFM = m³/h x 0.588578
At a glance
| What it does | Convert cubic metres per hour to CFM. |
|---|---|
| Category | HVAC & Airflow |
| Inputs needed | Airflow |
| Main output | Airflow |
| Formula | CFM = m³/h x 0.588578 |
| Cost | Free — no sign-up, no download |
How to use the m³/h to CFM Calculator
- 1Enter the metric airflow from the fan label.
- 2Read the CFM figure to compare against US-rated equipment.
- 3Check L/s if your local code is written in litres per second.
Inputs explained
- Airflow(m³/h)
- Enter the airflow in m³/h.
Worked example
Using the values the calculator loads with:
Inputs
- Airflow680 m³/h
Results
- Airflow400.2 CFM
- In L/s188.9
- In m³/min11.33
- In m³/s0.1889
- 680 m³/h x 0.588578 = 400.2 CFM
Frequently asked questions
Which unit do inline fan makers use?
European and Asian makers usually print m³/h; US makers print CFM. Converting lets you compare like for like.
Is the conversion exact?
Yes — it is a fixed unit ratio with no temperature assumption.
What do I need to enter into the m³/h to CFM 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 m³/h to CFM Calculator work out the answer?
One cubic metre per hour equals 0.588578 CFM. It applies the formula CFM = m³/h x 0.588578 and shows the working so you can check each step by hand.
Is the m³/h to CFM 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.