m³/h to CFM Calculator
Convert cubic metres per hour to CFM.
Enter your values
ⓘ Live results
Results
- 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
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.
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.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.